The contract can be terminated by either party with three months' notice.

合同的任何一方如提前三个月通知，均可终止本合同。

《牛津词典》

You may pay by either Alipay or WeChat.

你可以用支付宝或微信支付。

youdao

Every meal went into our stomachs and any leftovers were later eaten by either myself, my boys, my husband or my dogs.

每顿饭都进了我们的肚子，任何剩饭剩菜后来都被我自己、我的儿子、我的丈夫或我的狗吃了。

youdao

It was a party of protest, formed by men who refused to support either of the two old parties.

VOA: special.2010.06.03

Therefore he says avoids dominance by either extreme.

他因此说,应避免来自任何一种极端的支配。

耶鲁公开课 - 政治哲学导论课程节选

That's how by either balancing the unknown force with a known force or by simply measuring the acceleration as I fall towards this podium and multiplying by mass, you can find the force that exerts on me.

我们既可以让未知力与已知力平衡,也可以只测量我冲向讲台时加速度的大小,再与我的质量相乘,都能求出作用在我身上的力的大小

耶鲁公开课 - 基础物理课程节选

There was no one critical bit of information provided by either a detainee or somebody else.

FORBES: The Role of Torture

Defined benefit pension plans may be terminated by either the employer or the PBGC.

FORBES: PBGC Pension Termination: A Worker's Perspective by Terry O'Rourke, United airlines (December 15, 2007 )

The move was not authorised by either the Fire Service board or the Department of Health.

BBC: Fire and Rescue Service logo