human factor

讨论议题:human factor
本议题来自课程共(8节):
  1. 第十三讲　Lesson Thirteen Climate and the Human Factor
  2. 第十四讲　Lesson Thirteen Climate and the Human Factor
  3. 第十五讲　Lesson Thirteen Climate and the Human Factor
  4. 　　　 Lesson Thirteen Climate and the Human Factor（二）
  5. 　　　 Lesson Thirteen Climate and the Human Factor（三）
  6. 　　　 Lesson Thirteen Climate and the Human Factor（二）
  7. 　　　 Lesson Thirteen Climate and the Human Factor（三）
  8. 　　　 Lesson Thirteen Climate and the Human Factor（四）
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