记忆方法
将“mileage”分解为“mile”和“age”。想象一英里（mile）走过了“年龄”（age），象征着某物使用了很长时间或积累了经验，从而形成了“里程数”或“油耗率”的概念。
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中文词源
mileage 英里数，里程
来自mile,英里，-age,名词后经。
英语词源
- mileage (n.)
- 1754, "fixed rate per mile," from mile + -age. Meaning "a total number of miles" is from 1861.
权威例句
- 1. Most of their mileage is in and around town.
- 他们开车大多数时候是在城里和城市周边转悠。
- 2. What mileage has your car done?
- 你的汽车跑了多少英里?
- 3. The administration clearly decided there was no mileage in provoking a huge row with Congress.
- 显然，政府认定和国会大起冲突是没有好处的。
- 4. It's obviously important to get as much mileage out of the convention as possible.
- 很明显，从这项协议中获取尽可能多的利益十分重要。
- 5. They are willing to pay up to $500 more for cars that get better mileage.
- 他们愿意多出500美元来购买更省油的汽车。