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