鼠标不但很有趣，也很有用。

Mouse is not only interesting, but also useful.

youdao

此外，游泳也很有趣，因为我不但可以与家人、朋友在水里玩，而且还可以向朋友学习，学习不同的游泳方式。

Besides, it's very interesting because I can not only play with my family and friends in water but also learn from my friends and try different ways of swimming.

youdao

我喜欢记忆宫殿（和其他的挂钩方法）在于它们不但非常有效，而且学起来、用起来都很有趣。

With just a little bit of experience, the lists you memorize using the Memory Palace will stay fresh in your mind for many days, weeks or even more.

youdao