The Statue of Liberty was a gift to USA from France in 1886 as a mark of friendship and also in memory of the aid France gave the Americans during the American Revolution.

自由女神像是1886年法国送给美国的礼物。它是两国友好的标志，也是记载着在美国解放期间法国给予的援助。

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For the subject of such a big event, Facebook Home comes off as something less than the revolution in the mobile computing experience that Facebook CEO Mark Zuckerberg promised.

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The biggest fans of the green revolution say that the spread of solar and wind is a mark of success.

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Yet the 4m mark has now been reached and neither rioting nor social revolution has broken out.

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