Red and green are the rarest, and unlike white, man-made diamonds, are finite as they are only found in one or two areas in the world.

红钻和绿钻是最珍贵的，与人造的白色钻石不同，它们只在世界上的一两个地区出产，因此数量有限。

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One and one, the world is convinced, make two; but add one bad man to one good woman and the critics will argue forever on the sum.

众所周知，一加一等于二，但如果一个坏男人加一个好女人的话，批评家们将永无休止地争论它的和。

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My father fought in World War Two. And he must have been a real hero -- he has a whole box full of medals. But he’s a tight-lipped man who never talks about what he did to earn them.

他说:“我父亲参加过第二次世界大战。他肯定是一个真正的英雄,因为他有一个盒子里全是奖章。但是,他是一个不多说话的人,他从来也没有说过他干了了些什么才得到这些奖章的。”

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"I was hoping that we were tied after the final run as well - we both deserved gold, " the five-time two-man world champion added.

BBC: Germany take two-man title

The 12-man squad includes two Rugby World Cup Sevens winners Richie Pugh and Lee Williams, who return to the side after an 18 month absence.

BBC: Wales starTom Prydie in Commonwealth Games sevens squad

But in the four years of Bush senior and of Carter and the eight years of Clinton -- as well as the two terms of the man who left the world stage Tuesday, George Walker Bush -- each found their success often overwhelmed by challenges and failure.

CNN: Commentary: Obama's just the kind of hero we need now