The global ecological crisis reflects the crisis of human civilization.
全球生态危机反映了人类文明的危机。
Since 20th century, Ecological crisis has become a global challenge.
自20世纪以来，生态危机已经成为一个全球性的挑战。
Ecological crisis is one of the global problems that human have to face.
生态危机是现代人类面临的“全球性问题”之一。
Ecological crisis is one of the global problems that human have to face.
生态危机是现代人类面临的“全球性问题”之一。
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