Cost-efficiency
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
As a matter of fact, my whole family banks here.
事实上， 我们全家都是贵行的顾客。
I learned Japanese yesterday.
我昨天学日文。
Why not?
怎么会呢？