Economy of scale
[經] 規模的經濟
?? 詞語組成解析
of
[?v]
prep. 關于;屬于…的;由…制成;
aux. 助動詞 [非標準用語、方言] =have [主用于虛擬語氣];
scale
[skel]
n. 規模;比例（尺）;魚鱗;級別;
vt. 測量;攀登;刮去…的鱗片;
vi. 衡量;攀登;（鱗屑）脫落;生水垢;
scale(climb)→登；爬越；音階；比例尺；規模；尺；尺上的刻度
??? 情景例句
I don't know what-to do.
我不知道怎么做。
What are you interested in?
你對什么比較感興趣？
A truly dedicated bargain hunter must have patience, and above all, the ability to recognize the worth of something when he sees it.
一個到處找便宜的人必須具有耐心，而且最重要的是看到珍品時要有鑒別珍品的能力。