Nonequivalence
非等价, 反重合运算, “异”运算
🗣️ 情景例句
I don't have the heart to tell her.
我没有勇气告诉她。
If it doesn't rain tomorrow, I think I'll go shopping.
如果明天不下雨的话，我打算购物。
He speaks some Chinese, but not much.
他讲点汉语，但是不多。