Homework of spoken summary by Yue Li https://padlet.com/314838895/kigpfmnk82za spoken summary en-us 2017-05-13 15:22:19 UTC 2023-04-05 17:20:25 UTC hello@padlet.com Spoken summary 314838895 https://padlet.com/314838895/kigpfmnk82za/wish/171622105 2017-05-13 15:24:06 UTC https://padlet.com/314838895/kigpfmnk82za/wish/171622105