Think impassability these the crux of the problem .
想不通这些问题的症结所在。
As long as you have a common heart , do not think the business of impassability .
31-30、只要你有一颗平常心，就没有想不通的事。
It is impassability to use this kind of resources mine mode in the west region where the ecosystem environment is very weak . How to manage environment problem at the beginning stage of coal exploitation and before it does graveness influence to environment is an important problem should be solved .
