In each discussion, one group is given the task of offering ideas, a "shadow" group that of shooting them down.

每次讨论，一组的任务是提出意见，另一组则要“拍砖”反驳。

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Shooting someone in front of a window during the day can present bad back-lighting problems—the camera will expose for the bright window, leaving your subject underexposed and lost in shadow.

白天给一个站在窗户前的人照相可能会碰到反光问题。相机暴露在明亮的窗户前，使得人物曝光不足而出现阴影。

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Mikael Jonsson of Interview Magazine fame was recently shooting super models under the shadow of the Burj Khalifa.

FORBES: The 'Cooling' of the Middle East

When the Tories installed the fearsomely well-bred Mr Cameron, and he then kept George Osborne, another toff, as his shadow chancellor, party and leader bet that voters would no longer hold a penchant for shooting grouse against them.

ECONOMIST: Bagehot