Cost function
[计] 费用函数\\n[经] 成本功能
🧩 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
Subway transportation is very advanced in Longdon.
伦敦地地铁非常先进。
We're all anxious to hear Mr. Jones'remarks.
我们都很急切地想倾听琼斯先生的讲话。
Many of the tourists on board had begun bargaining with the tradesmen, but I decide not to buy anything until I had disembarked.
船上许多游客开始同商贩讨价还价起来，但我打定主意上岸之前什么也不买。