She points out that blockchain-based tracking of a food at each point in the supply chain might be feasible for a product like South American bananas, but isn't feasible for a lasagne containing 50 ingredients from all over the world.
李先生說：「在華人社會，狗狗或者寵物這件事情，始終都還沒那麼深入人心。始終有舊一代香港人在，也許老一輩未必說很喜歡寵物，你也得顧及他們的感受。」
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