economy concentration的用法和样例：
例句
- In a horizontal merger, the acquisition of a competitor could increase market concentration and increase the likelihood of collusion.
在横向合并中，市场竞争者可获得的是提高市场的集中程度及增加串谋的可能性。 - They argue that without comparable data for earlier periods, there is no basis for claiming that the degree of concentration of land ownership was rising over time.
他们声称，由于没有更早时期的数据可供比较，因此不能说土地所有权的集中程度是随着时间上升的。
