Kansas City had deep blues roots, and black jazz musicians in that town tended to keep the tradition alive in their sound.

堪萨斯城有着丰厚的布鲁斯根基，当地的黑人爵士乐手倾向于在他们的音乐中保留这一传统。

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Forest canopies serve as natural buffers against wind and rain, and the deep roots of trees help keep the granular soil from shifting.

森林的树冠作为自然缓冲，抵挡着风和雨的侵袭，而树木的深根也防止了水土流失。

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First, you pick the dandelions, take out all the roots and keep the leaves.

首先，自己出去摘蒲公英，把根全部去掉，只留叶子。

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Lockheed is mobilizing grass-roots Web efforts and traditional lobbying to keep the plane going, and the Air Force will ask Defense Secretary Robert Gates for more planes.

WSJ: Lobbyists Line Up to Torpedo Speech Proposals

Some market towns are going back to their roots, by rediscovering the pulling power of the farmers' markets which have done so much to keep small towns going in France.

ECONOMIST: Small towns