The first step in this code is to subscribe to external events.

这个代码的第一步是订阅外部事件。

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But you could also decide to take other actions — trigger external events, for example.

不过您也可以决定采取其他动作——比如触发外部事件。

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But you could also decide to take other actions — trigger external events, for example.

不过您也可以决定采取其他动作——比如触发外部事件。

youdao