在所有参与者都已到达关卡之后，您可以选择调用后期阶段操作。

After all participants have reached the barrier, you can optionally invoke a post-phase action.

youdao

在所有参与者都已到达关卡之后，您可以选择调用后期阶段操作。

After all participants have reached the barrier, you can optionally invoke a post-phase action.

youdao