The eco-light is good for earth, and it's cost-effective and convenient, because it doesn't have to be changed every few months.

环保灯对地球来说是好的，而且它很省钱、方便，因为它不需要每隔几个月就更换一次。

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Many traditional classroom courses are now available remotely, making technical education more convenient and cost effective than ever.

许多传统教室课程往往是远程的，从而使技术教育比以前更方便、更经济有效。

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Like traditional publishers, organizations are finding it convenient and cost-effective to deliver documentation in electronic formats.

与传统的出版商一样，组织们发现发布电子格式的文档既方便又节约成本。

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Although bandwidth is improving and is pretty fast in some areas outside the US 4X2 k and especially 8X4 k content will likely take a lot of time to download over an internet or mobile network and physical media will remain more convenient and cost effective for very high resolution for some time to come.

FORBES: What is the Future of Optical Disc Technology and who will Use It?

The bill gets away from the present system with universal health care in the most convenient and cost-effective way.

FORBES: Magazine Article

If walk-in clinics in retail outlets are the most convenient, cost-effective way for families to safely meet simple needs why should government stand in their way?

CNN: McCain's October 11, 2007, speech on health care