不用说，我们在那里的整个时间都在下雨。

___Needless ___to ___say, it rained the whole time we were there.

不用说，贿赂是频繁发生的。

___Needless ___to ___say, bribes are a frequent occurrence.

不用说，他听到消息时非常沮丧。

___Needless ___to ___say, he was very upset when he heard the news.