Cost maintenance
[经] 维持费
🧩 词语组成解析
cost
[kɔst]
n. 价钱，代价;花费，费用;牺牲;[用复数][法律]诉讼费;
vi. 价钱为，花费;估计成本;
vt. 付出代价;估价;使丧失;使付出努力;
🗣️ 情景例句
Just because the other kids have motor scooters is no reason for you to stop riding your bike to school.
只是因为其他的孩子都有电单车上学，不足以成为你不骑车上学的理由。
If I have enough money,I'm going to take a trip abroad.
如果我有足够的钱，我将在国外旅行。
Eric had been the eldest son of the family, very much older than his two brothers.
埃里克是这家长子。