While functionally equivalent to older library code at the thread group level, the ease of use and flexibility in the new model far exceeds any time requirements to adjust code to the newer way.

虽然在线程组级别上，新的库代码的功能与原来库代码的相同，但新模型中的易用性和灵活性远远超出了将代码调整为更新的方式所需的时间。

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Then, any threads created in that thread group will get the new behavior when an unforeseen runtime exception happens.

然后，当发生未预料的运行时异常时，该线程组内创建的任何线程都将获得新的行为。

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Threads in group X don't have permission to access or alter threads in group Y, unless within the same thread group (or a child group).

组x中的线程无权访问或改变组y中的线程，除非它们都在同一线程组内(或在一个子组内)。

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