When planes fall from the sky, as a Yemeni airliner did on its way to Comoros Islands in the India ocean June 30, 2009, the black box is the best bet for identifying what went wrong.

当飞机从空中坠落，比如2009年6月30日的一架也门客机在飞往印度洋的科摩罗群岛时那样，黑匣子是找出问题所在的最佳选择。

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Sears decided to open on Thanksgiving day itself for the first time, though still holding back its best bargains for Black Friday.

西尔斯商店第一次决定在感恩节营业，不过还是把最好的特价商品留到黑色星期五的特卖场。

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As shown in the part highlighted in black in figure 2, best practices to develop globalization application is one of the most important sections in the life cycle.

如图2中用黑色突出显示的部分所示，开发全球化应用程序的最佳实践是这个生命周期的最重要部分。

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David Robson from the University of Illinois Extension says the best results come from moist, richly organic black soil.

VOA: special.2009.07.07

Many of the best baseball players in the United States played in the Negro Leagues before white professional teams began accepting black players.

VOA: special.2009.04.05

Among the best alternative music album nominees is "Brothers," from the group the Black Keys.

VOA: special.2010.12.10

In the international categories, the Black Keys won best group, Frank Ocean was named best male and Lana Del Rey picked up best female.

BBC: Brit Awards: Emeli Sande and Adele win

Holiday shopping was not complete until you spent Black Friday at Best Buy followed by several more trips meeting with the Geeks and the Dream Team.

FORBES: The Top 3 Big Brand Winners (and Losers) of 2012

But, thanks to mobile, the Gilt Groupe now expects its best Black Friday ever, Andy Page, president of the Gilt Groupe, told The New York Times.

FORBES: Black Friday? Yes, Virginia. There Is An App for That.