利他主义一直都存在，互联网却为其创造了一个平台；在那里，个体行为将引发全球性的影响。

Altruism has always existed, but the Web gives it a platform where the actions of individuals can have global impact.

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不过，今天一旦发生在人口密集地区的话，那里的人口将远远多于一个世纪前，因此将是巨大的灾难。

That would be devastating if it occurred over a densely populated area—of which there are many more than there were a century ago.

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他们尽力避免讨论请愿的对象，而是将人们引导到桌边，那里会有另外一个队员催促这些人像传送带一样签名。

They do their best to avoid discussing the subject of the petition, instead ushering people to the table, where another team member pressures them into signing in conveyor-belt fashion.

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And it's a really fun place to be and they do it for the whole of the month of August.

那里将是一个非常有趣的地方，整个八月他们都在进行这个。

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