Reports that al-Qaida-trained operatives may be poised to attack American commercial and passenger vessels in the Arabian Sea are being widely circulated in Arab-speaking Gulf states, including Kuwait,Bahrain,Qatar, and United Arab Emirates.

VOA: standard.2010.01.07

It emerged into an institution in which banks would have notes bank notes-that circulated widely and we began to think of them as money.

它出现于一个银行保有票据,的机构,这个票据就是钞票---那种流通广泛的钞票,我们把它视为金钱。

耶鲁公开课 - 金融市场课程节选