This can make an Exchange-based solution an expensive option, even if it does provide all of the functions you need.
这使基于Exchange的解决方案成为一个昂贵的选择，即使它能提供您需要的所有功能。
2
CCPs are the norm in exchange-based markets but they have been scarce among surging over-the-counter (OTC) derivatives, notably the gigantic market for credit-default swaps (see chart).