With the supply chain as complex as it is, mistakes will occasionally happen.
这么复杂的供应链，偶尔出现错误也是难免的。
This complex chain reaction requires pressures that exist only in the center of stars.
这个复杂的链式反应需要的超强压力只有在恒星内部才存在。
Supply chain is a complex system, so it is difficult to achieve its global optimization.
供应链作为复杂系统，使得其全局优化难以实现。
Supply chain is a complex system, so it is difficult to achieve its global optimization.
供应链作为复杂系统，使得其全局优化难以实现。
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