If you do not learn to think when you are young,you may never learn.

问题描述:

If you do not learn to think when you are young,you may never learn.

可以改下语序,并补充一下句子就能看懂啦.When you are young,if you do not learn to think,you may never learn(to think).”
意思是:如果你年轻时没有学会思考,那就永远学不会思考.这是句俗语,大概是“少小不努力,老大徒伤悲”啊.