采购内容和项目也有很大扩展，从以往的汽车、电脑、复印机等通用物品扩展到货物、工程、服务各个领域；
And the content of government procurement extended from car, computer, copycat and other commence to more merchandise, project, service and so on.
在通用设计中，自觉的可视性——也就是对如何与物品进行交互产生的隐式理解——实则与用户执行操作的能力相辅相成。
In universal design, perceived affordance-that is, the implicit understanding of how to interact with an object-actually coincides with the user's ability to execute the action.
UPC - A通用产品代码，广泛用于加拿大和美国，用于跟踪商店中的交易物品。
UPC-A the Universal Product Code that is widely used in Canada and the United States for tracking trade items in stores.
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