These tiny things form the base of the food chain and play an important role in the global carbon cycle.

这些微小的东西构成了食物链的基础，并在全球碳循环中发挥着重要作用。

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The same trailers don't always play before the same movie at every branch of a large chain, so it's possible to spread the wealth around.

在大型院线不同分支同一部电影之前并不会播放相同的片花，因此就可以将财富分摊。

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“A small man starting a business cannot succeed…unless he is willing to play all sort of games, ” says Gordon “Butch” Stewart, the owner of Sandals, a resort chain.

连锁度假店的老板戈登•“巴砌”•斯图尔特说道。

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The film shows the important role these bees play in the world's food chain.

VOA: special.2009.03.25

Sharks play an important role in the food chain.

VOA: special.2009.04.03

Being able to play in this value chain will be critical to raising operator revenues in the future and it's fantastic to have a high-profile merchant like Skype on board.

ENGADGET: Skype strikes deal with Mach to expand direct carrier billing for credit purchases

"Bee consciousness is vital and we want more people to understand the crucial role bees play in our food chain, " said Matthew Oates, The National Trust's advisor on nature conservation.

BBC: Bee Part of It with BBC Surrey and keep bees buzzing

The Cyberathlete Professional League (CPL), which has held more than 1, 500 tournaments since its inception in 1997, relies on Intel and Razer, a mouse-maker, while NVIDIA, a graphics-card manufacturer, iGames, a chain of internet cafes where gamers congregate to play online, and Samsung sponsored Britain's WCG qualifier tournament.

ECONOMIST: Are video-gamers heading for the big money?