第二，这本选集作为美国食物和饮食习惯的快照，早于沃尔玛、麦当劳等均质化的影响。

Second, this snapshot of America’s food culture and eating habits predates the homogenizing influence of Wal-Mart, McDonald’s and so on.

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到了19世纪70年代，每年美国人要拍九十亿张照片，大部分都是非正式的快照。

By the 1970s, they were taking 9 billion pictures a year, most of them quick, informal snapshots.

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美国国家航空航天局表示，哈勃给天文学家提供了一个“剪贴本”，里面全是一些有关于早期宇宙的快照。

According to NASA, "Hubble provided astronomers with a 'scrapbook' full of snapshots of the early universe."..

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