identifying the reasons for an emerging phenomenon which involves several complicated factors is far from an easy task for example some scientists attribute environmental deterioration to a series of natural factors while others place the blame solely on inappropriate human behavior
确定涉及几个复杂因素的新现象的原因远非一件容易的任务，例如，一些科学家将环境恶化归咎于一系列自然因素，而另一些人则将责任完全归咎于人类的不当行为
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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