You use the return value to determine which process is which.
您将使用返回值来确定哪个是父进程，哪个是子进程。
Then you use the conditional if statement to check the return code of the command.
然后，您使用条件型if语句，以检查该命令的返回代码。
You simply use the parse() method to return the values in the RSS feed.
您仅使用parse()方法来返回RSS提要中的值。
And so long as you pay off the balance when you return home, they're cheap to use — most of the time, that is.
而且只要当你到家时付清余额部分，使用这些还是很便宜的——大多数时间，是这样的。
And so long as you pay off the balance when you return home, they're cheap to use - most of the time, that is.
而且只要当你到家时付清余额部分，使用这些还是很便宜的——大多数时间，是这样的。
You may use my bicycle, but you must return it this evening.
你可以用我的自行车，但今晚一定要送回来。
You can use my car on condition that you return it tomorrow.
我的车子可以借给你，条件是明天必须归还。
You may use the book as long as you will return it on time.
只要你准时归还，你就可以借这本书。
You can use my bike on condition that you return it by Friday.
你可以使用我的自行车，条件是你星期五以前还。
You use it to specify the argument and return type of the delegate.
用于指定该委托的参数类型和返回类型。
Convenient, yes, if you use them and return them to the charger.
方便，是的，假如你使用它们，退还充电器。
You may use the book so long as you will return it on time.
只要你准时还，你就可以借这本书。
You may use the book so long as you will return it on time.
只要你准时还，你就可以借这本书。
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