SOE are,on average,less productive and have better access to external creditthan do DPE.这里的do起什么作用,是什么成分?

分类: 作业答案 • 2021-12-19 11:48:28

问题描述：

SOE are,on average,less productive and have better access to external credit
than do DPE.这里的do起什么作用,是什么成分?

答