economical effect的用法和樣例：
例句
- The super large-scale cities have imponderable advantages on economic scale effect and population gathering.
超大型城市在規模經濟效應和人口集聚效應上具有不可比擬的優勢。 - In this paper, we will analyze the source and its economic effect of buyer power, and explain the emerging countervailing power with bilateral monopoly theory.
本文分析了買方勢力的來源及其經濟效應，並利用雙邊壟斷理論解釋了由此產生的抗衡勢力。
