To do that the agent must obtain beforehand a certificate from the unit that delegates the authority and sign the contract in the unit's name and within the limits of authorization.

代理人必须事前取得责任代理的授权，在授权范围内以责任代理的名义签署合同。

youdao

It worked out well, by making my first move, but there was a lot of groundwork to be put down beforehand that helped me make that move a little bit easier.

我首先迈出第一步很有效，但是事先，我得打下许多基础，以帮助我迈出那一步稍微容易一些。

youdao

As a further precaution, all the crows had been fed beforehand.

作为进一步的预防措施，所有的乌鸦都预先喂过食。

youdao

And developing a... kind of plan for what to do if there's a disagreement beforehand.

提前制定一套应对矛盾的方案。

又有趣又奇特的课堂 - SpeakingMax英语口语达人

The buffet dinner beforehand was a marvelous opportunity to network with Buffett's cronies, who include some of the best investment minds in the nation.

FORBES: From Omaha, Buffett Sees Clear To China

The home side, handicapped by the loss of stand-off Danny McGuire beforehand with a leg injury, were also guilty of letting several gilt-edged chances go begging.

BBC: Leeds Rhinos 12-18 Bradford Bulls

If, instead, you let the audience know beforehand that a bomb is going to go off at some point in the scene, suddenly that conversation about nothing much is exciting, suspenseful, poignant, and fascinating.

FORBES: Storytelling-IV. 5 Ideas. 5 Blogs. 5 Days.