In addition to our interest in faces, there's something special about primary colors for nearly all of us, because it's an artifact of the way our eyes work.

除了对面孔感兴趣这点之外，三原色对于几乎所有人都比较特殊，因为我们的眼睛就是围绕三原色运作的。

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But he nevertheless faces huge challenges on Super tuesday-a near-national primary when 22 states are in play.

但是在超级星期二的全国初选中，有22个州将参与其中，届时奥巴马将面临巨大的挑战。

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Chen Xiyou, the head of A Long's former primary school, said that he faces a lot of pressure to allow the boy to attend classes.

陈西游 阿龙以前学校的校长说道 如果允许阿龙回学校读书 他将面临很大的压力.

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Palin recently campaigned in Texas, where Republican Governor Rick Perry faces a primary challenge from Senator Kay Bailey Hutchison.

VOA: standard.2010.02.09

Next month,the former Alaska governor heads to Arizona to campaign for her former running mate, Senator John McCain, who faces a challenge in the Republican primary from former Representative J.D.Hayworth.

VOA: standard.2010.02.09

In the months to come, Bhushan and Kejriwal, become the primary faces of the Anna led movement.

FORBES: Leadership Lessons From The Indian Summer

But as the two primary faces of the Act go missing from the oversight of the various, complex rules the voices against financial reform have room to get louder and move for further weakening of a reform that has yet to fully bloom.

FORBES: Is Financial Reform Doomed After The Barney Frank Era?

Burton, an Indiana congressman who investigated President Clinton as chairman of the House Government Reform and Oversight Committee, faces a primary challenge Tuesday.

CNN: Republicans use Obama as the bad guy in negative ads