"Interesting and simple" in Engpsh can be translated as "有趣的简单的" in Chinese. This phrase comes from the combination of the Engpsh words "interesting" and "simple," which are used to describe something that is both captivating and easy to understand.

Here are some examples of how this phrase can be used in Engpsh:

The book was interesting and simple, so I finished it in just a few days.
The teacher made the lesson interesting and simple, so the students were able to understand the material easily.
The puzzle was interesting and simple, so it was fun to solve.

And here are the corresponding translations in Chinese:

这本书有趣又简单，所以我几天就看完了。
老师把课程讲得有趣又简单，所以学生们很容易理解。
这个谜题有趣又简单，所以解起来很有趣。