Sugar, sulfuric acid, diamonds, and oil all follow different routes, but each navigates a web that touches various machines and may even cycle around again to its elemental form.

• 糖，硫磺酸，钻石，油料，各自经循不同的廻路，在各循各的网络途中接触过各种各样的机器，甚至可能再度还原为它元素的形式。