Alternative cost doctrine
[经] 择机代价学说
🧩 词语组成解析
alternative
[ɔl'tɝnətɪv]
adj. 替代的;备选的;其他的;另类的;
n. 可供选择的事物;
altern轮流的 + ative有...作用的（带此后缀的词有的可兼作名词） → 替换物;取舍,抉择
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
She sure got here quickly.
她来得真快。
Experience teaches.
经验给人教训。
If anyone ever asks her how old she is, she always answers, 'Darling, it must be terrible to be grown up!'
“亲爱的，长成大人真可怕啊！”