“便宜没好货”这一全民口头禅，真是话俗理不俗，它表明了价格和质量之间的内在联系。反映商品质量的因素是多方面的。从内在标志来看，有商品的性能、寿命或含量等，它们基本上是安全第一的商品设计理念的体现。外在的标志方面则有商品的包装、售后服务等，这是基于货物和服? The universal mantra, “cheap and not good,” is really good folklore, which shows the intrinsic link between price and quality. There are many factors that reflect the quality of the product. From the internal signs of view, the performance of goods, longevity or content, etc., which are basically the embodiment of the safety of the first product design. External signs are the packaging of goods, after-sales service, which is based on the kimono goods?