不用说，我们在那里的那段时间一直在下雨。

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

显然，贿赂是常有的事。

___Needless ___to ___say, bribes are a frequent occurrence.

不用说，这个项目按时完成了。

___Needless ___to ___say, the project was completed on time.