它促进了经济的增长，加速了社会流动性，并给人们带来了很多乐趣。

It has boosted economic growth, increased social mobility and given people a lot of fun.

youdao

它促进了经济的增长，加速了社会流动性，并给人们带来了很多乐趣。

It has boosted economic growth, increased social mobility and given people a lot of fun.

youdao