Works of caution,however,never give up a bad plan without replacing it.
问题描述：
Works of caution,however,never give up a bad plan without replacing it.
however后面什么意思?有什么语法点?
答
never give up 放弃
without 介词 后面加doing
raplace it 代替他
在没有好计划之前,不要放弃你的坏计划
意思就是,做事情要留条后路,不要太绝