What's the largest criminal enterprise in the world? Narcotics? Gambling? Human trafficking? • Nope. The biggest racket is the production and trade of counterfeit goods, which is expected to exceed US $1 trillion next year. You've probably suffered from it more than once yourself, purchasing on Amazon or eBay what you thought was a brand-name item only to discover that it was an inferior-quality counterfeit.

中文翻译：

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隐藏的身份验证器：纳米级机电标签可以挫败造假者

世界上最大的犯罪集团是什么？毒品？赌博？贩卖人口？• 不。最大的骗局是假冒商品的生产和贸易，预计明年将超过1万亿美元。您自己可能不止一次遭受过这种情况，在亚马逊或 eBay 上购买了您认为是名牌商品的商品，却发现它是劣质假货。