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.
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寻亲那日，当林木通的遗孀从巷口缓缓走来时，杜耀豪迎上去握住她的手，瞬间红了眼眶。，更多细节参见爱思助手下载最新版本
Both the UK and US's research facilities in Antarctica are on the hunt for the next batch of workers to "go south".