Suddenly Sylvie's dark gray eyes caught a flash of white that grew larger and larger.

VOA: special.2010.04.03

It's the old gray but dark philosophy that you should just look at value But, one of the things is when people have given up on a company--that's the perfect time.

就是那个陈旧黑暗的哲理,你应该只注重价值,但是，还有一种情况当人们都抛售了,某个公司的股票--那就是个极佳的时机。

耶鲁公开课 - 金融市场课程节选

The researchers say Anchiornis huxleyi appeared to have a dark gray or black body.

VOA: special.2010.03.16

But before it is dark, you see a large movement of gray bodies.

VOA: special.2009.08.19