It was the first time I had put it all down on paper. I found it helped.这是我第一次把所有的东西都写在纸上, 我觉得这有帮助。

On paper, their country is a multi-party democracy.理论上, 他们的国家是多党民主制。

The family is estimated to have been worth, on paper at least, more than £1.1billion.据估计, 这个家族理论上至少拥有11亿英镑以上的财富。

It was a good idea on paper, but failed in practice.这理论上是个好主意, 但无法实践。