It's no mystery to him why he did what he did - "I would be such a horrible human being to watch someone suffer like that and not even try to help," he says-but he can't quite figure out how.

对他来说为什么他要那么做并不是秘密——“我可能看到别人遭受那样的痛苦会害怕，甚至不想去帮助。”他虽然这样说，但还是不能完全解释怎样会发生这样的事。

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Human beings for instance: when we watch TV, listen to music, talk over the phone, or communicate via the Internet.

例如：当我们看电视、听音乐、接听电话或通过互联网通信时。

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“ We have always kept watch on Mother Earth and her human population and where allowed have often limited the effects of earthquakes .” (9)

我们一直在观察者地球母亲和她的人类人口还有经常限制地震的影响。

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Human operators watch for anomalous behaviour and raise the alarm if they detect anything suspicious.

ECONOMIST: Putting it all together

Because this vaccine contains a live virus, the CDC maintains a surveillance system to watch for human infections.

FORBES: A Pox On Your House? How Fighting One Disease Brought Back Another

Lafreniere said he could not understand what person could watch a human being getting decapitated in front of a camera.

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