The designers’ aim is to create a temporary patch of green in Europe’s concrete jungles, giving city dwellers a place to hang out, play Frisbee or have a picnic.

设计师的目的是给欧洲的硬派建筑丛林补一块临时绿色补丁，创造一处居民们可以外出休闲的空间，他们可以在那里扔飞盘或者吃一顿野餐。

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The Fed extended its Operation Twist program last month, in a bid to buy more time for the economy to show whether it is driving through a rough patch or running out of gas.

FORBES: Bernanke Says Fed Has Plenty Of Options, Doesn't Signal When He'll Use Them