Every day 30m tonnes of materials valued at roughly $80bn (€66bn; £55bn) are shifted around the world in the process of creating some 1bn types of finished products. Welcome to one of the most complicated mechanisms the human species has yet developed: the global supply chain for manufacturing.
每天约有价值800亿美元的3000万吨原材料在manbetx app苹果 各地流转，用于生产约10亿种产成品。欢迎来到人类开发的最复杂机制之一：manbetx app苹果 制造业供应链。
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