Marty McFly: Doc... what if we don't succeed?

马蒂：博士，如果我们失败了呢？

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The film tells the story of Marty McFly, a teenager who is accidentally sent back in time from 1985 to 1955.

电影讲述了青年马蒂在一次意外中从1985年穿越到1955年的故事。

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On October 26, 1985, Doc Brown arrives from the future and tells Marty McFly and his girlfriend Jennifer Parker that he needs their help to save their kids in the future.

1985年10月26日，布朗博士从未来回到现在，他告诉马蒂·麦克·弗莱和其女友詹妮弗·帕克，他需要两人的帮助去拯救他们在未来的孩子。

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Fox plays Marty McFly, a teen itching to break loose from his dull family.

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In Back to the Future II, Marty McFly travels to the distant future of 2015.

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As Marty McFly can tell you, very small changes in the past can lead to pretty big ripple effects in the future.

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