但是在修改对象的内容时，你必须小心可能存在的副作用(这对于关联式容器尤其重要)。

But you have to take care of possible side effects, whenever you change the contents of an object (this is especially important for associative containers).

youdao

但是在修改对象的内容时，你必须小心可能存在的副作用(这对于关联式容器尤其重要)。

But you have to take care of possible side effects, whenever you change the contents of an object (this is especially important for associative containers).

youdao