比起新品,二手交易最大的不确定性在于货品真伪、成色不一,因此,首先要学会淘到好货。众多品类中,3C产品是最值得购买的二手货之一,它们不易损坏,折旧很小,折价幅度却很大。以手机为例,二手市场中容易出现高仿机,由山寨厂家制作,虽手感不佳,但外观却与品牌手机一模一样。线上交易摸不到,你可以要求卖家打开后盖,拍下内部图片。高仿机虽然能在轮廓上乱真,但后盖底下的 Compared to new products, the biggest uncertainty of second-hand deals is the authenticity of goods, different color, therefore, we must first learn to Amoy good goods. Many categories, 3C products are the most worth buying second-hand goods, they are not easily damaged, depreciation is small, the discount rate is great. To mobile phone, for example, the secondary market prone to high imitation machine, made by the cottage manufacturers, although not feel good, but the appearance is exactly the same with the brand mobile phone. Online trading touch, you can ask the seller to open the back cover, take internal pictures. Although high imitation machine in the outline of the spurious, but the bottom of the back cover