In related news, let's observe a moment of silence in memory of Matt and Betty.

看看相关的新闻，让我们为马特和贝蒂的美好回忆默哀吧…

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"I call on Americans to observe a moment of silence to honor the innocent victims of the senseless tragedy in Tucson, Arizona, including those still fighting for their lives," Mr.

我希望与美国人民一道在默哀过程中自省，并向在Tucson和Arizona两地公共悲剧中的无辜死难者致敬，包括那些仍为改善自身境况而奋斗的人民。

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Massachusetts Gov. Deval Patrick has asked residents to observe a moment of silence at 2:50 p.m.

NPR: Boston Marks Week From Marathon Bombs With Silence

Massachusetts Gov. Deval Patrick asks residents to observe a moment of silence Monday at 2:50 p.m.

NPR: 10 Things To Know For Monday

Governor Patrick has asked Bostonians to observe a moment of silence for the victims at 14:50 local time (18:50 GMT).

BBC: Boston Marathon bombs: Prosecutors prepare charges