Intelligibility was enhanced, not only by the steeply raked seating, but also by the naturally low background noise of a preindustrial society.

不仅是急剧倾斜的座位，前工业化社会的低背景噪音都使语音清晰度得到了提高。

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The lighting display across the raked seating look spectacular from the blimp camera prowling over the stadium, but the filigree details of circus performance and choreographed trickery were lost as the cameras, as is usual on these occasions, had no idea where to look.

BBC: Olympics closing ceremony: A long goodbye to the Games