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When we are planning for posterity, we ought to remember that virtue is not hereditary.
Technology can be our greatest ally in sustainable forest management.
在数学中,最简单的问题往往导致最深刻的发现。
多样性不仅仅是一种可有可无的东西,对于任何希望长期成功的组织来说,它都是必不可少的。
Thinking consists in envisaging, realizing structural features and structural requirements.