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052 What's done cannot be undone.覆水难收。
语法点 构词法中的派生法：词根加前缀构成另一个词
说明
A smile is an inexpensive way to change your looks．想要变漂亮最简单的方法就是微笑。
There are no uninteresting things, there are only uninterested people.没有乏味的东西，只有没兴致的人。
“Why are some of your hairs white, mom?” The little girl asked.
Her mother replied, “Well, every time you do something wrong and make me unhappy, one of my hairs turns white.”
“Mom, why are grandma's hairs white?”
小幽默
趣味问答
-Why is “U” the happiest letter?
-Because it is in the middle of “fun”.