either one or the other

基本解釋

So you can expect either one or the other based on the particular file type that you are accessing.
所以你可以通過這個Chrome擴展用多種方式訪問你的文件。
This new version contains a complete set of operations with the required changes, so that a consumer would use either one or the other URL exclusively to access this Web service.
新版本包含完整操作集，竝具有所需的變更，因此使用者將僅使用兩個 URL 之一來訪問 Web 服務(wù)。
Let me never see either one or the other again!
但願再也不要見到他們！

One group took Polycap. The other groups took either a single drug or different combinations of the medicines in the Polycap pill.
Nonpolar molecules result from either, it's one or the other.
一個非極性分子，不是這一種就是那一種。
麻省理工公開課 - 固態(tài)化學(xué)導(dǎo)論課程節(jié)選
If it's at that point, I'm done, if not, if it's greater than the value I'm looking for, I either take one half or the other.
那麼我就取左邊，否則的話就取右邊，好，你們可以明白，我們一次就可以縮小問題槼模的一半了吧。
麻省理工公開課 - 計算機科學(xué)及編程導(dǎo)論課程節(jié)選

So NUS is either doing one or the other, but not both.
FORBES: Preying on an Easy Mark