做到实事求是，离不开调查研究这个基本功。
The proud Welshman adds: "You owe us, America.
。91视频对此有专业解读
Comparison between error-diffusion and ordered dithering using an 8-colour regular palette. Left to right: error-diffusion, ordered.
Why scientists fear Emperor penguins' annual moult may be killing them
He tells BBC Newsbeat that he expected to receive a cease and desist letter from the retail giant after describing some of the clothes as "boring" and "tacky PE kit".