所以我們沒有要互相送禮物?因為你只有給我卡片而已，如果是這樣你應該跟我

所以我們沒有要互相送禮物?因為你只有給我卡片而已，如果是這樣你應該跟我說，這樣對我來說很不公平，如果你不想要交換你可以直接說

結果 (英文) 1:

So we do not want to give gifts to each other? Because you only gave me the card only, so if you should have told me that this is very unfair for me,
if you do not want to say you can directly exchange

結果 (英文) 2:

So we didn't give each other gifts? Because you just gave me cards, and if that's the case you should tell me, it's not fair to me,
If you don't want to exchange you can say directly

結果 (英文) 3:

So we didn't give each other presents? Because you only have to give me cards. If so, you should tell me that it's unfair for me,
If you don't want to trade, you can just say