they are so much better(to look at) than concrete.为什么不是be looked at

问题描述:

they are so much better(to look at) than concrete.为什么不是be looked at

表示感官的一类词不用被动.其它的例如:
The flower smells good.这朵花很好闻.It feels good to go back home.回家感觉真好.
另外插一句我从来没见过look at用过被动式