Combining red, green and blue LEDs to produce white light has the potential to be more efficient, and the colour of the light could be tuned depending on mood or taste.

结合红绿蓝led一起生成白光有能被更有效利用的潜在可能，并且光的颜色还可以依据心情或者口味来调配。

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Western Digital has slowly massaged its desktop hard drives into three categories: high-performance Black drives, mainstream Blue models, and energy-efficient Greens.

西数目前正逐渐将其桌面硬盘产品规整为三个系列：高端的黑盘系列，主流的蓝盘系列以及省电节能型的绿盘系列。

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At home, it is a good idea to use energy-efficient lamps with a higher proportion of blue light during the day, and in the evening use ones with the lowest possible amount of blue light.

白天在家里使用蓝光度较高的节能灯是个好主意，在晚上则使用蓝光量可能最低的节能灯。

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Though the Yankees, Red Sox, and Phillies rank 1st, 3rd, and 7th as the clubs that spend the most payroll per win, the Yankees and Phillies still secured playoff spots while the Red Sox still posted 89 wins while playing 18 games each against 2 of the top 3 win-producing teams in the sport (Yankees and Rays) as well as 18 games against the respectably efficient Blue Jays.

FORBES: Baseball's Most and Least Efficient Teams for the 2010 Season