社会经济现象之间存在的错综复杂的联系，多数可以用指数体系来描述。

The complicated relations between social economic phenomena can mostly be described with index system.

youdao

社会经济现象之间存在的错综复杂的联系，多数可以用指数体系来描述。

The complicated relations between social economic phenomena can mostly be described with index system.

youdao