Depoeciation
[機] 折舊
??? 情景例句
We have a mideweek special. It's 12 dollars a day, 12 cents a mile, plus gas.
我們從星期二到星期四都有特價。一天12元，每英里加12分，含汽油在內。
Then, all of a sudden, it became cloudy and began to rain.
可是突然天就變了，烏云密布并下起雨來。
He waited until the volcano became quiet and he was able to return two days later.
他等到火山平靜下來，兩天以后又返回去。