The air inside a house has more contaminates than does polluted outside air.请问可以这样理解吗：than在这里做主语,可是than是连词不能做主语.这是倒装句,还原
问题描述：
The air inside a house has more contaminates than does polluted outside air.请问可以这样理解吗：than在这里做主语,可是than是连词不能做主语.这是倒装句,还原成：than polluted outside air does,缺少宾语,than做宾语吗?可是than是连词不能做宾语,请问要怎么理解?
答
主语+动词/系动词+more +（形容词）……than……是固定搭配.一般是主语的比较.比如：Date is more important than study for him.对于他而言,约会比学习更重要.（两个主语进行比较）本句来说,意思是：与室外受污染的...