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
I think you'll find I'm worth it.
我想你会发现我值得拿那些钱。
I'm done.
我不行了。
But none of them has been turned to stone yet!
但到目前为止还没有一个变成石头呢！