We no longer manufacture pure cotton shirts as their retail prices tend only to attract that upper end of the market.
我方已不再生产纯棉衬衫因为其零售价格只能吸引高档消费者。
To get a full appreciation of what this means we must turn first to some recent human inventions.
要透彻理解这句话的意义,我们应先回顾一下人类最近的几项发明。