Either Mr. Li or Mr. Zhang is in Hong Kong now.不是李先生就是张先生现在在香港。NM283 was administered orally, once-daily for one week a搜趣网t either8.3 or 16.6 mg/kg compared to placebo.NM283 口头地被管理，一次- 每日的达一个星期之久以 8.搜趣网3 或 16.6个毫克/ 公斤与安慰相较。By my calculations, the transaction produces HHI scores that would have resulted in a summary dismissal of antitrust concerns in either the U. S. or EU.经过我的计算，这桩交易的HHI值在美国和欧盟都会即刻得到不存在垄断问题的结果。

either…or… 或…或…，不是…就是…;要么…要么…
例：
1. Either Mr.Li or Mr.Zhang is in Hong Kong now.
不是李先生就是张先生现在在香港。
2. Either you are mad. or I am.
要么是你发疯了.要么是我发疯了.

either造句。
He just couldn't make up his mind either way.他左想也不是，右想也不是。
Like many of you, I get an idea, and either go for it, or not.像你们很多人一样，我有了一个想法，要么实现它，要么不。
So either you change your friends or live with the envy of others.所以，要么你换掉你的朋友，要么在别人的嫉妒下生活。
You either make up the process as you go along, or perhaps you adapt the process to suchbkEjY a great extent each time that no process is recognizable frobkEjYm one project to the next.您要么在进行下去时组成过程，要么也许您每次对过程进行如此大程度的修改，以至于从一个项目到下一个项目的过程是不可辨认的。
Think of retirees directly purchasing this soon-to-be toxic paper, either directly or through fund vehicles. 想象一下，退休人员直接购买这些即将成为有毒资产的债券，无论是直接购买还是通过基金工具购买。

too,either都有“也，很，非常”的意思，但是too多用于肯定陈述句，或者肯定疑问句里；而either多用于否定句里。
如：His pen is red. Mine is red,too.
He don't go to the cinema. I don't go there,either.
希望对你有帮助。