Decremental cost
[經] 減量成本, 減支成本
?? 詞語組成解析
減少
cost
[k?st]
n. 價錢，代價;花費，費用;犧牲;[用復數][法律]訴訟費;
vi. 價錢為，花費;估計成本;
vt. 付出代價;估價;使喪失;使付出努力;
??? 情景例句
Hi! What happened?
嗨 ！怎么回事？
To protest against something
抗議
Hello, Ann. Could I borrow your radio tomorrow, please?
您好，安。我想明天借用您的收音機。可以嗎？