B : Why not ?
A : Because of ...the reason.
B : And that would be ?
that would be 是什麽意思 ?
點解用 would, 看起來像will 的過去式.
用 is going to 代替 would 可以嗎 ?
意思有分別嗎 ?
更新1:
用is 代替可以嗎 ? And that is ?
更新2:
that would be 和 that should be, 這兩句有分別嗎 ?