Grey-market perfumes and toiletries are now commonly sold by mail.

灰市的香水和化妆品现在常以邮购方式售出。

《柯林斯英汉双解大词典》

According to Daily Mail of September 3, a set of unbelievable pictures were taken in southern India: a King cobra and a grey mongoose clashed in classic battle in the wild.

据英国《每日邮报》9月2日报道，近日摄影师在印度南部拍摄到了一组不可思议的照片：一只眼镜蛇与一只印度灰猫鼬在野外激烈厮杀。

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Just then there was a knock on the door and grey-haired Mrs. Hudson appeared with the mail.

这时响起了敲门声，灰头发的哈德森太太拿着信件进来了。

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Other papers have pictures of David Cameron leaving Downing Street and highlight what the Daily Mail calls a large patch of grey in his dark hair.

BBC: Eurozone debt talks dominate papers