Nonequivalence
非等价, 反重合运算, “异”运算
🗣️ 情景例句
I haven't dated any one else since her mother died.
自从她母亲去世之后 我从没有和别人约会过。
Talk of the devil, and he is sure to appear.
说鬼鬼到。
Don't be uneasy about the consequence.
不必为后果忧虑不安。