这两个概念有交叉，却又不完全重合 用英语怎么说

楼上是机器翻译的吧？
我自己翻译的
These two concepts have something in common, but not really the same.这样翻译地道一些。
对于概念我觉得如果你写专业性文章把concept换成conception更加专业一些，看你应用了

These two concepts appear to cross each other, but not overlapping at all.

就是2楼的