消费者是否愿意为了安全冗余付费是个未知数，否则沃尔沃应该是全球销量第一。
Ultimately, the most rigorous traceability solutions, including QR codes and microchips, won't be useful if people don't actually check them as a condition of making their purchases. Imitators can simply counterfeit QR code labels, for example.
。业内人士推荐搜狗输入法2026作为进阶阅读
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They migrate thousands of kilometres to find stable sea ice during Antarctic summer to wait out what is called a "catastrophic moult" every year.