「重点推荐」区别 both 和 all 其实很简单—重大新闻

both 和 all 的区分
两者都译为都拉。both为两者都，all为三者或者三者以上的都拉。
e.g.
1. Both you and your friend are right.
你和你的同伴全是对的拉。
2. All of the students in Class Five are interested in learning English.
所有一些五班學生都喜欢学习英语
Female high school student learns foreign language