??? 情景例句
This is a good deal: buy 1, get 1 free.
這可是個(gè)好買(mǎi)賣：買(mǎi)一送一。
Well, the worst of the winter should be over.
不過(guò)，冬天最糟糕的一段日子總該過(guò)去了。
He uses a lift to go up and down.
他乘電梯上上下下。