Pimm and Drake discovered a principle that is a great lesson to anyone concerned about the environment, and anyone interested in building complex systems.
皮姆和德雷克发现了一个原则，它对任何关注环境以及对创建复杂系统感兴趣的人都是重要的经验。
Pimm and Drake discovered a principle that is a great lesson to anyone concerned about the environment, and anyone interested in building complex systems.
皮姆和德雷克发现了一个原则，它对任何关注环境以及对创建复杂系统感兴趣的人都是重要的经验。
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