Non-constant cost
[经] 非固定成本
🧩 词语组成解析
non
[[nɔn]]
adv. 非, 不
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've been having a hard time keeping my eyes open
我一直挣扎着要让双眼睁开
Fortune knocks once at least at every man's door.
人人都有鸿运高照之日。
Hmm! That's a bit expensive. Can I try them on, please?
嗯！就是贵了一点儿。我可以试穿一下吗？