(1)只是，但是，可是(but)(infml)：I'd pay you～I(xiàn) don't have enongh money.我想償還你，可是錢不夠。The book is likely to be useful～it's rather expensive.這本書可能有用，不過相當(dāng)貴。
(2)要不是(were it not for the fact that)(infml)：I would have gone，～you objected.要不是你反對，我早就走了。O～that he has a meeting，he would come to the party.若不是要開會，他會來參加聚會的。