( ) silk feels soft and cool ,it's difficult to be taken care of.A because B before C as

问题描述:

( ) silk feels soft and cool ,it's difficult to be taken care of.A because B before C as

让步,"尽管丝织品柔软并且清凉,但是它很难保养",软且cool明显不是难保养的原因嘛,前面说的是优点,后面是缺点,所以让步,as though