Decreasing cost
[經] 遞減成本
?? 詞語組成解析
decreasing
[di'kri:si?]
adj. 減少的，漸減的;
v. （使）縮短，減小，減少( decrease的現在分詞 );
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
we really appreciate your taking care of Max for the weekend
我們真心感謝你在周末照顧Max
The problem has been bothering me for weeks.
那個問題已經困擾了我幾個星期。
Moreover, as soon as new knowledge is acquired, it is now turned to practical account.
而且，新知識一旦獲得，便得到實際應用。