either的短语

短语是either……or，中文意思是二者择一的要么……要么……

It must also specify the build tool to be used， either or.项目还必须指定要使用的构建工具，或者是或者是。

Either or both access modes may be set.可以单独或者同时设置两个访问模式。

Okay that's a straightforward either or. Isn't it?

...意为"或者……或者……，例如：

1、The young men were assessed as either safe or unsafe drivers.这些年轻人被评定为谨慎驾驶员和不谨慎驾驶员两类。

2、He didn't want to go on the record as either praising or criticizing the proposal.他不想公开赞扬或批评这项提议。

3、He either resigned or was sacked， depending on who you talk to.他或是辞职了，或是被辞退了，这要看你跟谁讲了。

...意为"或者……或者……不是……就是……"之意。表示两者之一，连接句子中两个并列的成分。