Compliment can stimulate him to work harder.
It is not untill i read your letter that i understand the true situation
The divorce of parents may have negative effect on their children.
The boat is at the mercy of the storm.
追问谢谢
追答不好意思,第二句时态好像有问题,understand 应该改成 understood吧,你自己决定吧
追问嗯谢谢
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