Degressive cost
出国 Abroad[经] 递减费
🧩 词语组成解析
a. 下降的, 递减的
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
You really need to eat more; you're too skinny.
你太瘦了，真得多吃点。
Throw away the apple because of the core.
因噎废食。
Are they your books?
这些是你的书吗？