for those who don't smoke,it is much easier not to start smoking _英语解答

for those who don't smoke,it is much easier not to start smoking than it is to quit it.中的it is省
to quit it前的it

人气：302 ℃　时间：2020-03-22 20:27:20

解答

前面已经有it is了,已经表达了同一个主语,所以可以去掉后面的it is；而且去掉也显得语句更为流畅明了.