The options have been traded for several decades, starting with the Chicago Board Options Exchange.
期权最初从芝加哥期权交易所进行交易,到现在已经交易了几十年
We've centralized the note issue in the United States starting in 1913 with the Federal Reserve Board so your notes that you see are called Federal Reserve Notes.
我们在1913年通过联邦储备金监察小组,集中了美国发行的钞票,所以你看到的钞票,叫做联邦储备券。
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