It only needs to be 10-20 minutes. But oh boy, what a world of difference.

只要10到20分钟，孩子们啊，这个世界就不一样了！

youdao

It only needs to be 10-20 minutes. But oh boy, what a world of difference.

只要10到20分钟，孩子们啊，这个世界就不一样了！

youdao