Then, in 1997, the U.S. government passed a law that didn't allow the hunting of great whites.

然后，在1997年，美国政府通过了一项法律禁止人们猎杀大白鲨。

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The great whites attack to eat and survive, not for thrills.

大白鲨袭击别的动物是为了捕食和生存，而不是制造恐怖。

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Until recently, people thought sharks were bad and there was no urge to save great whites.

直到最近一个时期，人们还认为鲨鱼是凶残的，没有必要去挽救它们。

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This month two conservationists are scouring the Devon and Cornwall coastline for evidence of Great Whites.

BBC: 'Great White Shark' spotted

Great Whites are often mistaken for Porbeagle sharks which are native to UK shores.

BBC: 'Great White Shark' spotted

During the winter of 2004, the researchers observed 340 attacks by great whites on fur seals within 2km of the island.

BBC: Earth News - Great whites 'plan' seal attacks