That's good.

English speakers use the phrase "That's good" when they want to say something polite and positive, but they can't think of anything else more specific to say:

A: How have you been?

B: Well, work has been keeping me busy lately, so that's good.

A: Did the party go well?

B: Yeah, it went really well.

A: Oh, that's good.

This phrase appears in these lessons: