return of scale的用法和樣例：
例句
- The application of the electronic commerce became the catena supermarket scale performance to obtain of essential condition.
電子商務的應用成了連鎖超市規模效益取得的必要條件。 - We will enourage leading and strong enterprises to annex and restructure the ones in adversity in order to improve the scale profits and risk prevention level.
支持行業龍頭企業和優勢企業兼并重組生產經營困難企業，進一步提高規模效益和抗風險能力。
