1.come down 下降
例句:If you buy three bottles, the bottle price comes down to $10.
如果你买3瓶的话,每瓶价格就降为10美元 。
2.up to 多达
例句:I can take up to four people in my car.
我的车能载 4 个人 。
3.on sale 出售
例句:Among the horses on sale he saw his own horse.
在出售的马群中,他发现了自己的那匹马 。
4.thing of the past 过去的事
例句:War is a thing of the past.
战争已经是过去的事了 。