当这次事件发生时，我们的反应必须是即刻、全面和有效的。

When this event occurs, our response has got to be immediate, comprehensive and effective.

youdao

当这次事件发生时，我们的反应必须是即刻、全面和有效的。

When this event occurs, our response has got to be immediate, comprehensive and effective.

youdao