exhibition and conference economy的用法和样例：
例句
- The exhibition and convention economy has already developed very ripely in some economy- developed countries.
在一些发达国家，会展经济已经相当成熟。 - Now many exhibition centers are supporting their basic operations by providing rooms and services for meetings and exhibitions.
现在很多会展中心靠会展经济维持自己的基本开销。
