a clean sheet

基本解释

That can mean starting with a clean sheet of paper and having a very credible business three or four years later.
拥有带来成果的能力意味着从一张白纸开始，三四年后拥有可观的业务。
So I immediately type up the paragraph, see what it looks like on a clean sheet of paper, and then attack that sheet of paper with my pencil again.
所以我会立刻把写好的一段打印出来，看看它在一张干净的白纸上是什么样子，然后再用铅笔在纸上涂涂改改。
It should strive for the best council for today, but it cannot start with a clean sheet, because the original membership controls the reform under the original rules.
应致力于成为当今最好的委员会，但不能将过去一笔勾销，因为安理会原有成员国仍在原有规则下控制改革进程。

The visionary starts with a clean sheet of paper, and re-imagines the world.
NEWYORKER: The Tweaker