“It’s only happened once before. It’s a confluence of circumstances that come together to cause this,” said John Rowden, citizen science director at the Audubon Society’s New York chapter.

对此，美国奥杜邦环保协会纽约分会公民科学处处长约翰.劳登表示“这种情况之前曾发生过一次，造成这种现象是由多种原因综合作用而成。

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The House speaker, John Boehner, grudgingly said in February that he would take Mr. Obama "at his word" that he was a citizen, a suggestion that the proof was insufficient.

二月份，白宫发言人约翰·贝纳极不情愿地承认他会采纳奥巴马所说的他是一个公民，示意证据不充分。

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McManus, John H. (2004). Market-driven journalism: Let the citizen beware? (trans. by.

约翰•H•麦克马那斯（2004）。市场新闻业——公民自行小心？（张磊译）。北京：新华出版社。

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The warship is also holding U.S. citizen John Walker and Mullah Abdul Salam Zaeef, former Taliban ambassador to Pakistan.

CNN: Support promised for Afghanistan

Armstrong, along with American Jack Hensley and British citizen Kenneth John Bigley, were kidnapped from their residence Thursday.

CNN: Video shows American hostage beheaded

An official at the U.S. embassy in Yangon said a U.S. consul was allowed to attend, presumably to observe proceedings involving the American citizen, John Yettaw, but the official said no further information was available.

WSJ: Suu Kyi Trial Begins, Inciting Opposition