either...or
不是……就是……;或者……或者……
例句
It's an either-or situation—we can buy a camera this year or we can go on holiday but we can't do either.
这是一个非此即彼的情况,我们今年要么买个相机,要么去度假,但我们两个都做不到。
You should know that a deductive argument is an either-or thing.
你应该知道演绎的论点是一个非此即彼的东西。
Many other experts insist this is not an either-or situation.
许多其他专家坚持说这不是一个二选一的情况。