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Advantage of travelling by train:
Well I assume that it gives several merits. One good example of it is the cost,you know, it's an ideal to travel for a long distance. Besides, there's no smell of gas or shaking which lead to dizziness and vomiting. On top of that, it's a great chance to enjoy the amazing scenery along the way.

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I think there are a few obvious positives, first of all the train fare is very cheap compared to other means of transport, and it hasn't changed too much over the years. secondly, you will be able to see many beautiful sights and take lots of cool pictures while riding the train.

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Well I suppose that there are quite a few clear benefits. That trains are really cheap, especially in the period time when people don’t have enough money for travel by plane. I guess that another obvious plus point is that it is wonderful experience when we can enjoy the fantastic landscapes

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Obviously, there have a amount of perk about travelling by train . So firstly, We cant travel every season at anytime , even though Its winter. Secondly , the price is affordable , Its only cost 1/3 or 1/4 of the cost by travelling by Plane, Also you can enjoying watching spectacular view though out the window for free and the accommodation is serve very well, You can order anything you want from hot food such as Pho, Bun Bò or even drink : Ca phe sua da , tra sữa :((( huhuhu

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well, i personally think that it depends on the ideologies changes. Firstly, the young generation wanna have a private house after married, because it's so suitable for their work and husband and wife relationship. for instance, if they live in an extended family, they'll obey the opinion of previous generation that is the main reason lead to divorce. in the other words, accommodation is not enough convinient for a lot people living in, that caused conflict easily and broken the relationship. all in all, i think young generation need to construct a private house

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Well, I suppose that there are quite a few clear  benefits of commuting by train.

Firstly, you can easily catch the train by the published schedule and follow your plan punctually because the train is always on time and rarely is delayed by the weather.

Another reason is that you don’t have to drive by yourself and will have time to read books or just enjoy the spectaculars.

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Well, I believe that there are undoubtedly a host of reasons for this. The key explanation is possibly because more people have to work and study in a city where far away from country house. Besides, many young couple get married soon they tend to live separate from their parent, because of their comfortable

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I'm sure that most people would agree that there will be a number of major changes related to this. Firstly, I believe that more people will have a extended family. People have to work for getting money almost time in a year and they tend to stay together in holiday. Therefore, in the future they have more money to have a big house or apartment for a big family.

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open mind-> single parent -> meet their destiny late->make relationship btween family members badly, not equal btween sis, harmful to money, not privacy and bring bad comment to their kids

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well, So in my top of head , as I mentioned before , things is changing and the joint family decreasing day by day because living together with every member will caused a tons of problems, and the main problem is disagreement between the mother in law and daughter -in -law and if They cant solve the problem immediately, The relationship will getting worse and worse and maybe It can lead them understood the situation  between the member of the family and some ppl will chose divorced as the way to release . Also Having private space in the joint family is difficult , every moment  will be watched by the entire family.

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well, it is hard to forecast future but as I see, in this era, teenager has opened mind. They don't need to have a kid or even get a marriage so the size of family is minimize than in the past. Moreover, we being more self-reliant. We can enjoy our life more comfortable and convenience

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by my experience-> more space to moving in long journey, clean and comfortable seat, cheaper than another transport, enjoy marvelous view, good service, no delay by weather

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Yes, I strongly believe that in the future, the economy and contemporary culture will affect the size of the family.

First and foremost, there will be more nuclear families, single parents and only children, when it comes to the family in the past, it’s not the case.  Spouses tend to have only one baby or even don't have any child.
Secondly, nowadays young people do not need to get married. The main reason is that due to financial pressure, some people can’t afford to have a wedding and raise children.  Other people also think that they can pay their bills and don’t need to marry.

Q2: Why ...
The same ideas
From my POV, there are a various compelling reasons that lead to the reduction of extended family. Firstly, the pressure of economic have positively effects to the size of the family. Spouses tend to have only one baby because the space of their accommodation isn't enough for too many people or the extended family .

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well, generally speaking , The family will change the structure and also the size of the family. in the past. each family had at least 3- 4 son or daughter but nowadays , thing is changing, ppl usually focus more on work and their personal life so They often get married when they at 30s and only have 1-2 children . also these days , the husband tend to spent their time by give a hand the  house chore with the wife and they also cooking very well