New Words：

profit ['prɔfit]
n.利润；收益；利益；赢利
v.获益；得到好处；对…有用（或有益）

profit by/from 得益于

Sample Sentences：

He learned to profit by his mistakes.
You can profit by my mistakes and avoid them yourself.

We gained a lot of profit from your advice.
The company made a healthy profit on the deal.
There is very little profit in selling newspapers at present.

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