Your normal habit when passing an argument to a function should be to pass by const reference.

用常量引用给一个函数传递参数，是一种好的习惯。

youdao

Your normal habit when passing an argument to a function should be to pass by const reference.

当给函数传递参数时，你要养成的良好习惯是传递常量引用。

youdao

Your normal habit when passing an argument to a function should be to pass by const reference.

当给函数传递参数时，你要养成的良好习惯是传递常量引用。

youdao