Opportunity cost principle
[经] 机会成本的原则
🧩 词语组成解析
opportunity
[ˌɑpɚˈtunɪti, -ˈtju-]
n. 机会;适当的时机良机;有利的环境，条件;
op=ob靠近 + portun=harbor港口+ ity 表名词 → 向港口靠近 →机会
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
Oh, you really had a bad day.
哦 你们真的没玩好。
I'd stay if they promoted me, but I can't see that happening.
假如他们提升我，我就留下来，但我看那是不可能的。
Can you read that.
看得清楚吗？