Ifelse
如果…否则
🗣️ 情景例句
How's my grandson?
我的孙子怎样啦？
Many great writers were not appreciated fully while they were alive.
许多伟大的作家当他们活着时没有被充分重视。
Until we are intelligent as to its laws and varieties,
直到我们理解了风俗的规律性和多样性，