Still, Ms.Halloran says M-rated games like Call of Duty, Halo and Fallout are the most popular games in the store.

VOA: special.2011.07.04

But at the same time like real people, they can turn around and act in a way that is loyal and true above and beyond the call of duty.

但同时也与真人一样，他们也有完全不同的一面,在使命面前显示出忠诚和真实。

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