它最大的零售部门在第一季度遭到亏损，主要原因是抵押贷款坏账冲销和法务成本的增加。
The bank's giant retail division made a loss in the first quarter, thanks to mortgage write-offs and legal costs.
出于这些原因，并且还要考虑增加的时间和成本，人们往往在他们的研究中避免使用雌性小鼠。
For these reasons, and because of the additional time and cost involved in taking such variations into account, people often avoid using females in their research.
第一食品公司将原因归咎于去年糖和小麦等原料价格“史无前例”的高涨，使该公司的成本增加了2.25亿英镑。
It blamed the "unprecedented" input cost inflation in commodities such as sugar and wheat last year.
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