Zero incremental cost
[经] 无增支成本
🧩 词语组成解析
zero
['zɪro]
n. （数字）0;零度;
adj. 全无的，没有的;
v. . 聚焦，集中;
a. 增加的, 增值的\\n[经] 增长的, 增量的
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
Oh, please come in.
噢 请进来。
Dad is welcoming uncle Bob.
老爸去迎接鲍勃叔叔。
Light the fire not so near the entrance that the wind will blow the fire out, and not so far in that the smoke will fill the cave, said my brother.
“不要太靠近洞口点火，风会把火吹灭的；也不要太靠里面，那样烟会充满山洞的，”我弟弟说，