either ... or

• 不是 ... 就是 ...
• 要么 ... 要么 ...

either ... or的用法和样例：

例句

1. Either you or he has made the mistake.
   不是你，就是他弄错了。
2. She is coming either today or tomorrow.
   她不是今天就是明天来。
3. Can you speak either English or French?
   你会说英语或法语吗？