It certainly helps to know a man who knows a man.

结识一个与重要人物相识的人的确有好处。

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It helps you certainly to be fit because it gives you energy.

跑步确实帮助你保持身材，因为它让你精力充沛。

youdao

It helps you certainly to be fit because it gives you energy.

跑步确实帮助你保持身材，因为它让你精力充沛。

youdao