Metavariable
[计] 元变量
🗣️ 情景例句
Don't mince words.
别吞吞吐吐的。
Force can never destory right.
暴力决不能摧毁正义。
No,you mustn't eat anything until you see the doctor.
不行，看医生之前你不可以吃任何东西。