The usual arithmetic conversion rules state that first you perform the integer promotions on any integer operands.
常用算术转换规则规定在任意整数运算时首先执行整型提升。
As you probably suspect, the integer conversion rank is used to define the rules for expression evaluation. Those rules are named the integer promotions and the usual arithmetic conversions.
就如你可能猜想的那样，整数转换优先级用于定义表达式求值的规则。这些规则叫做整型提升和常用算术转换。
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