A business person with guanxi has a wide network of contacts that he or she can call upon to get things done.

一个有关系的商人拥有广泛的交际网络，依靠这个网络，他或她才能搞定每一笔生意。

youdao

I now call upon the chairman to address the meeting.

现在请主席向大会致辞。

《牛津词典》

Becky responded to his call, and they made a smoke-mark for future guidance, and started upon their quest.

贝基响应了他的号召，他们熏了一个烟标，作为今后引路的标志，开始了他们的探索。

youdao

We cannot find them. Today I call upon you to travel a new trail.

VOA: special.2010.04.08

But our intention is not simply to call upon pensions to file lawsuits.

FORBES: Time��s Running Out For America��s Pensions (May 1, 2003 )

Plus, he says the cornerstone of his plan to succeed in Iraq is to call upon nations to serve.

NPR: Transcript of Presidential Debate

We would like to call upon them to support the Syrian people.

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