回答

・calculation doesn't add up

「計算對不上」的英語可以用 calculation doesn't add up 來表達。

It's today's sales, but no matter how many times I try, the calculation doesn't add up.
（這是今天的銷售額，但無論我算了多少次，計算結果都不對。）

I think the idea is interesting, but it doesn't add up.
（我認為這個想法很有趣，但不能夠成立。）

有幫助｜0