他的话语中从来没有感叹词。
常规方法(结尾没有感叹号)修改并返回调用它们的字符串的副本。
Normal methods (those without the exclamation point at the end) modify and return a copy of the string they were invoked upon.
在节目中有两个重要的项目，没有这些配置方案的工作是不可能的，他们都标有感叹号的左边。
In the program there are two important items without which configuration program work is not possible, they are marked with an exclamation mark on the left.
在节目中有两个重要的项目，没有这些配置方案的工作是不可能的，他们都标有感叹号的左边。
In the program there are two important items without which configuration program work is not possible, they are marked with an exclamation mark on the left.
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