binary minus
常见例句
- The unary minus (-) and unary plus (+) are the same operators as binary minus and plus.
一元减号（-）和一元加号（+）与二元加号和减号都是相同的运算符。 - What is the difference between the unary minus operator and the binary subtraction operator?
一元操作符负号和二元操作符减号的区别是什么？ 返回 binary minus