Hundreds of people gather on the traditional Christmas market of Frankfurt, Germany, that was opened with the lighting of the tree.

德国，法兰克福，成千上万的人们聚集在传统的圣诞集市，集市中满是点亮的圣诞树。

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But some lighting versions are on the market.

但一些灯光版本用途的正在市场上销售。

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But the increase of these lighting systems on the market will require more developed recycling programs and increased awareness of the effects of mercury on human health and the environment.

但随着这两种照明系统市场份额的不断增长，有必要开发完善的回收系统，并增强人们对汞对人体健康和环境影响的认识。

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In conjunction with being the most configurable wearable camcorder (video resolution, bit rate, lighting, and microphone sensitivity), ContourHD is now the only camera on the market to enable the user to configure their lens.

ENGADGET: Waterproof ContourHD case enables head-mounted video captures under the sea