为了让线程等待，我们只需将线程执行一个忙循环(自旋)。

To wait all we do is put the thread into a busy loop (a spin).

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为了让线程等待，我们只需将线程执行一个忙循环(自旋)。

To wait all we do is put the thread into a busy loop (a spin).

youdao