daily_life
cost
/kɔst/
释义与例句
n.
1
The amount of money needed to buy, do, or make something.
成本，费用
It costs $10.
它的价格是10美元。
I will bear this cost.
我将承担这笔费用。
Living costs are high in this city.
这个城市的生活成本很高
v.
1
(Of an object or an action) To require the payment of a specific sum of money or effort before it can be acquired or done.
花费（金钱/时间/劳力）
That fancy dinner cost me a fortune!
那顿丰盛的晚餐花了我一大笔钱！
A: How much did the trip cost? B: It was a big expense, but totally worth it.
A：这次旅行花了多少钱？ B：花了不少钱，但完全值得。
2
To cause someone to lose something valuable or importan
付出代价（使丧失）
One small mistake cost him the game
一个小错误使他输掉了比赛
记忆技巧
核心逻辑： 买东西要付钱，做错事要付代价（Cost me my job）。
三变一致： cost - cost - cost。
地道短语：
Cost an arm and a leg (贵得离谱)。
At all costs (不惜一切代价)