The government would pay for the silver with paper money -- treasury notes -- which could be exchanged for gold or silver money.

VOA: special.2010.06.03

He speaks in a language of math and it is very important for students to be able to have hot copies so that they can take notes on the paper rather than be working very hard to copy down the equations that he used in these lectures.

他以数学语言授课,所以发给学生教学材料,是非常重要的,这样就可在纸上做笔记,而不用拼命,抄下他在课上,用到的等式。

麻省理工公开课 - 媒体、教育、市场课程节选

That's how paper money got started, as bearer notes, because if you had gold with the goldsmith you could spend the note, at least within the town that you live in where the goldsmith was known and had a reputation.

纸币就以不记名票据的形式出现了,如果你的金子存在金匠那里,你可以直接支出这些票据,至少在你所居住的城镇可以这样做,因为金匠在本地有着并众所周知的信誉

耶鲁公开课 - 金融市场课程节选

It refused to accept the notes, or paper money, of these banks, unless the state banks were ready to exchange the paper for gold or silver money.

VOA: special.2009.01.01