但这些交易专柜是如何赚钱的呢？

But how were those trading desks making money?

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他们花费好几年时间使用所有权交易专柜抢占位置。

For years they have been using proprietary trading desks to take positions.

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相同的逻辑下，新的交易专柜被要求取代银行的位置，而这些专柜很快便将自己变成盈利中心。

The same logic required new trading desks to handle the banks' positions, and those desks quickly became profit centres of their own.

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