When the caller wants to control a transaction, you use the suspend transaction qualifier.
当一个调用者想控制一个事务时，可以使用中止事务限定符。
When control returns to the caller, the caller extracts the return values from the stack.
当控制返回给调用程序时，调用程序就可以从堆栈中提取出返回值。
In either case, when control is returned, the caller holds the mutex.
无论在哪种情形中，当控制被返回时，调用者将持有互斥锁。
Similarly, in a Web application, different pages can call part of the application; when the called functionality has run its course, the control returns to the caller page.
类似地，在Web应用程序中，不同的页面可以调用应用程序的一部分。当被调用的功能运行完毕时，控制返回到调用者页面。
A delay might occur before WorkManager accepts the submission, but the caller can control only the maximum delay (using the start timeout).
在WorkManager执行提交之前，可能会发生延迟，但是调用者只能控制最大延迟(用启动超时)。
RETURN: Returns an integer and the flow of control to the caller of the stored procedure.
RETURN：将一个整数值和控制流返回给存储过程的调用方。
Of course, it is possible to allow the caller of the stored procedure to further control the execution.
当然，该存储过程的调用者还可以进一步扩展它的执行。
The system USES Caller ID, with the store's blacklist of Numbers, the judgement is connected to phone lines ringing, or simulated hang up control circuit hang up.
系统利用得到的来电号码，同存储的黑名单中的号码进行比较，判断是接通话机振铃线路，抑或控制模拟挂机电路挂机。
P' must be fully assigned before control is returned to the caller. Consider calling the default constructor from a constructor initializer.
并且给了我们一个建议，那就是在构造器之前调用默认构造器。
P' must be fully assigned before control is returned to the caller. Consider calling the default constructor from a constructor initializer.
并且给了我们一个建议，那就是在构造器之前调用默认构造器。
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