Cost variation
[经] 成本变异
🧩 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
They kicked him out of the club for fighting.
他们因他打架而将他逐出俱乐部。
A moneyless man goes fast through the market.
一个没钱的人很快穿过市场。
You play to win, and the game has little meaning unless you do your utmost to win.
参加比赛就是为了取胜。如果不拚命去赢，比赛就没有什么意义了。