() used to describe the situation when goods are not bought from an official supplier but are bought in another country and then imported to be sold at a lower price than the official price 灰色的（不从官方供应商处购买货物，而是在另外一个国家购买，然後进口并以低於官方的价格出售）◆the grey trade in drugs through the Internet 通过互联网交易的药品灰色贸易◆There has been a range of action in the courts against grey goods. 法庭上有各种反对灰色商品的行为。➡grey market (2) , parallel (1)
belonging to or aimed at the older section of the population 灰色的（年老的）◆ US advertisers are competing for the gray dollar(= the money that older people can spend on goods). 美国广告商正在为灰色美元（老年人的可消费金额）展开竞争。◆An increase in life span causes an increase in grey power(= the economic and political power of older people). 寿命的增加导致灰色权力的增长（老年人的经济和政治权力）。➡grey market (3)