改进题：Thank you for your letter of Feb. 14 offering us woolen gabardine.However, we regret to inform you that the minimum quantity of 5 000 metres per design is too big for this market.

译文：感谢贵方2月14日函报我方全毛华达呢。但遗憾的是对我方市场来讲每种花式的起订量5000米太大。

改进题：Thank you for your letter of Feb. 14 offering us woolen gabardine.However, we regret to inform you that the minimum quantity of 5 000 metres per design is too big for this market.

译文：感谢贵方2月14日函报我方全毛华达呢。但遗憾的是对我方市场来讲每种花式的起订量5000米太大。

改进的译文：感谢贵方2月14日函报我方全毛华达呢。但遗憾的是每种花式的起订量5000米对我方市场来讲太大。