因为客户端无法检测出id是无效的，所以它可以在另一个上下文中使用这个ID以链接实体记录。

Because the client can't detect that the id is invalid, it can use the id in another context to link to the entity record.

youdao

这可以确保重新创建的是客户端策略集，而不是使用前面的无效配置的缓存副本。

This ensures that the client policy set configuration is recreated instead of using a cached copy of the previous invalid configuration.

youdao

注意，在开始会议呼叫时使用这个设备参数是无效的。

Note that it is not valid to use the device parameter when starting a conference call.

youdao

Well, simply with the * notation at least on the way in when you declare the function called swap, you simply say this is not going to take an int and another int because that's useless.

好的，简单说，当你声明一个函数调用swap函数时,使用*符号，你可以简单说，这不能使用一个int数和另外一个int数,因为那是无效的。

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