从头再来的用法和样例：
例句
-
我们把这一部分从头再来一遍，并且这次把它做对。
Let's take that part back to the beginning and get it right this time. -
有些工程师认为，既然为这一系统起作用已付出如此巨大的努力，明智的做法是短期内将这项工作继续下去，而不是从头再来。
Some engineers take the view that since so much effort has been put into making this system work it would be sensible in the short term to continue the same line rather than start afresh. -
那主意行不通，得从头再来。
That idea hasn't worked, so it's/we're back to square one.
