410. It would certainly be preferable to learn many lessons from friends and family, but it is human nature to need to learn through personal experience in order to be entirely convinced.
可用于议论文或说明文的中间段落。该句可提炼出句型It would certainly be preferable to..s.，but it is human nature to...第一句中的it would be preferable to do sth.是虚拟语气句，表明一种可能性。but后面的分句中的it is human nature to do sth.意思是“做某事是人之常情”。
It would be better for you not to stay up too late.
He would have preferred that deaf children be taught at hearing schools.
It would certainly be preferable to have a situation where the market was operating normally.