麦肯锡称这么做可以提供更多购物或折扣信息，从而缩短结账时间。
According to McKinsey, this "can help close purchases by providing additional information or offering discounts at the point of sale."
如果想买品牌产品比如说西尔斯，你可以使用西尔斯优惠码或者访问的他们的主页来挑选最好的折扣信息。
To buy a product from a brand such as sears, you could use a sears promo code or visit their website to choose the best discounted deal.
现在Groupon刚刚向芝加哥用户介绍了一种名叫Groupon的智能手机应用程序能够告诉用户位置周围的商业折扣信息。
Groupon just introduced a smartphone application for Chicago users called Groupon Now, which offers deals near where the person happens to be.
应用推荐