It makes sense. 有道理。
说某事有道理，讲得通，有意义时，可以用该句型。当然“没意义，讲不通”就可以说"It doesn't make sense."或"it makes no sense"。
1. It makes sense to take care of your health.
2. It doesn't make sense to read such a boring novel.
3. It makes (no) sense to keep it as a secret.
A: Harry, do you like the opera?
B: No, not really.
A: Why is that? It is called real art.
B: Well, it's very expensive and they're usually singing in another language. That kind of gets on my nerves.
A: Yeah, that makes sense.
You've got a point there.
You have a point there.
﹡He argues soundly.
She talks a lot of good sense.
I think that's not reasonable.