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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.
，这一点在夫子中也有详细论述
Guardian Australia can also reveal that concerns about the vehicles being used by Management and Training Corporation (MTC) had prompted an intervention by the department of home affairs and warnings from almost 500 detention centre staff.
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