mean by的用法和樣例：
例句
- Taxpayer: what do you mean by the method of derivation?
納稅人：什麼是以支出換算收入？ - What does she mean by cancelling her performance? ie Why has she done it?
她取消自己的演出是什麽意思? - What did he mean by that remark?
他那樣說是什麽意思?
辭彙搭配
- What do you mean by …? 你這是什麼意思? 你...
- mean ill by someone 懷著惡意
