Just 14 NFL players, including Hall of Famer Tony Dorsett, have been examined using this technology.

只有14国家橄榄球联盟的队员，包括名人堂里的托尼·多塞特，接受过这种检查。

But bargain-hunters who visit lots of shops are exposed to more products, and thus more likely to buy things they had not planned to, argues Phil Dorsett, an analyst at Kantar.

但是凯度研究所的分析师菲尔? 多赛特指出，那些会逛很多家超市爱捡便宜的消费者往往会暴露在更多的商品中，因而更有可能会购买计划之外的商品。