Opportunity cost
出国 Abroad[经] 时机代价, 机会成本
🧩 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
He's a real two-timer.
他用情不专。
The court must pass judgment on the accused man.
法庭必须向被告宣示判决。
Now they have had special cages made to protect them from these monsters.
现在他们有了特制的笼子，用来保护他们免受大鱼的侵袭。