Whatever product you use should emit only visible light, because ultraviolet light damages the eyes.

不管你用什么产品，都应该只发出可见光，因为紫外线会伤害眼睛。

youdao

youdao

Discover how architects, product designers and scientists use similar skills in their work.

了解建筑师、产品设计师和科学家如何在他们的工作中使用相似的技能。

youdao

If you use an alcohol-based product instead of soap and water, make sure it contains at least sixty percent alcohol.

VOA: special.2010.09.29

Should it be customized, or in other words, made specific for the particular audience or can we create something that is an off-the-shelf product that people can use in many different environments?

应该为特定的受众，量身设计教育过程,还是制造,一种现成的产品,以供人们,在多种不同环境中使用？

麻省理工公开课 - 媒体、教育、市场课程节选

"Feedback shows smaller households sometimes can't use the free product before its use-by date, " said Lucy Neville-Rolfe, Tesco executive director.

BBC: Tesco launches Buy One Now, Get One Free... Later

Needless to say, such a combination of an easy-to-use product at no cost was a far easier one to sell.

FORBES: New Relic Up-Ends Tradition

"It's a simple-yet-powerful product that's very easy to use and has one goal: crystal-clear calls, " said Wendy Fortin, ION Product Manager.

ENGADGET: Ion unveils cellphone accessories for home phone replacement, speakerphones