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
Where are you going, Philip?
你上哪去 Philip？
His career opportunities suddenly looked brighter.
他似乎突然又有希望飞黄腾达了。
Yes, please. This is Bill here. Is that Mrs Read?
是的，劳驾了。我是比尔。你是里德夫人吗？