这些拍卖商买卖赃物的做法，正违反行规。
The auctioneers are violating a code of practice by dealing in stolen goods.
这是一种三位数字的代码，印在信用卡的背面，多数，但不是所有的电子零售商在进行买卖交易是都要求提供这一代码。
That's the three-digit code on the back of every credit card that most, but not all, e-retailers ask for when making a purchase.
大多数目前在交易商之间转手的衍生品将在公共交易所上买卖，这将减少一个交易商的失手殃及其他交易商的风险。
Most derivatives that now trade dealer-to-dealer will be traded on public exchanges. That will lessen the risk that one dealer's failure brings down others.
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