Benefit-cost
成本效益
🧩 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
He really likes to play the field.
他不喜欢做出承诺。
Water afar quenches not fire.
远水难救近火。
The guy next to me Wrote his name at the top of the paper.
坐在我旁边的那个人只在试卷顶端写自己的名字。