expression
in that case; if that's the case; that aside
Used to acknowledge a situation while setting it aside or accepting it as is, often implying that it may not be ideal but is acceptable or separate from the main point.
それはそれで、いいアイデアだと思うよ。
That aside, I think it's a good idea.
結果は残念だけど、それはそれで仕方ない。
The result is disappointing, but that's just how it is.