而且，德姆·查克和他的同事们完全知道，如果相关性比率在现实中比统计专家假定的高一点点，就会导致严重的损失。

And Demchak and his colleagues knew perfectly well that if the correlation rate ever turned out to be appreciably higher than the statisticians had assumed, serious losses might result.

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但是德姆·查克坚决认为，他的团队必须要审慎。

But Demchak was determined that the team must be prudent.

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德姆·查克准确地意识到，为信用衍生品交易中涉及的风险建模有其局限性。

Demchak was acutely aware that modelling the risks involved in credit derivatives deals had its limits.

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