With something called a credit default swap.

利用信用违约掉期。

There are many types of derivatives - ones that help keep the economy stable and ones that did the complete opposite. One of the more controversial of these is the credit default swap.

衍生品有很多种——一种有助于保持经济稳定，另一种则起到完全相​​反的作用。其中一个比较有争议的是信用违约掉期。