You don't know what you are talking about, replied the head of mortgage securitisation.

你知不知道你在说什么！那个抵押证券业务部的头这样回答。

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Tom McPhail, head of pensions research at Hargreaves Lansdown, told the BBC the change could shake up the mortgage market.

兰斯多恩股票经纪公司退休金研究主管汤姆·麦克菲尔告诉BBC，这项改变可能重新洗牌房贷市场。

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Mr Kiguel joins the government from his present job as head of mortgage bank Banco Hipotecario, has close ties to foreign banks and international lenders and is known to favour Argentina adopting the dollar as the country's sole currency.

BBC: Daniel Marx with Domingo Cavallo

"The Fed wants to keep mortgage rates low, " said Mitch Flack, co-head of the mortgage group at TCW Group Inc.

WSJ: Fed Plan to Stop Buying Mortgages Feeds Recovery Worries

"Profits were under pressure, " notes Warren Kornfeld, managing director and co-head of residential mortgage backed securities at Moody's, of the subprime sector.

FORBES: Overblown Fears In Subprime Land?