超市推车助你保持体型
High tech shop trolleys could help watch waistlines
 
Supermarket shoppers may soon be cruising the aisles with "intelligent" trolleys that warn them if they're buying too much junk food. 当大家在超市里巡航购物的时候，新型的“智能”推车可以告诉顾客你是否买了太多的垃圾食品。
 
cruising - Driving your Shopping carts down the aisles. Not walking down the aisle, but crusing the aisle with no apparent reasons. 巡航的

trolleys - Shopping carts in the US. They help carry food in super markets 手推车
 
The high-tech model will be fitted with a computer screen and barcode scanner. It will read each product's individual code to give customers information about calories, nutrition, ethical sourcing and the environment. 这个高科技手推车上面安装了显示屏和一个条形码扫描器。它可以告诉顾客食品的主要信息，包括卡路里，营养构成，食品来源和环境。
 
barcode scanner （quiz） - An electronic device used to read barcodes. May be and individual unit for stock processing or attached to Point of Sale systems for sales recording. 条形码扫描器
ethical sourcing -  conforming to accepted standards of social or professional behavior; 食品来源是否符合标准
Sourcing - Where its from. Origin 
A director of consumer industries and retail said shoppers want barcode readers on their trolleys to calculate the nutritional content and tell them when they have blown their calorific budget. 顾客很想在购物的时候随时了解自己的购物情况，避免买的太多，从而吃的太多。
 
blown - exceeded
 
He said that it's high-time that the humble barcode is recognized as a practical and cost-effective solution to consumers' thirst for information. 为了满足顾客想要了解信息的渴望，这种新型的推车还是非常试用和划算的
 
cost-effective - A criterion that specifies that a technology or measure deliver a good or service at equal or lower cost than current practice. ... 有成本效益的，划算的