"What that member country can do with it is withdraw the money and cash it in for real currency.

VOA: standard.2009.04.20

Some people ask what is the currency backed by?

一些人会问，货币被什么支持呢？

耶鲁公开课 - 金融市场课程节选

The old gold standard was supposed to maintain the convertibility of gold in currency but now we're not even backing it with currency anymore with gold anymore ? so what does it mean?

旧的金本位制度目的在于,保持金子与货币的转换功能,但是现在我们甚至都,不用货币来支持它了，或是用金子,所以这意味着什么呢？

耶鲁公开课 - 金融市场课程节选

I would be looking at this--at the debt areas Student: You mentioned about the U.S. dollar falling in value recently. What kind of foreign currency vehicles or trading would you recommend to kind of hedge a bet against a dollar assuming that it continues to fall?

我会考虑这方面的投资--债务市场方面的机会,学生：你刚才提到美元,最近贬值的问题，那么哪些品种的外汇金融工具,或者外汇交易在你看来可以用来,对冲美元贬值的风险,如果我们假设美元还会将继续贬值？

耶鲁公开课 - 金融市场课程节选