red-hat enterprises红帽子企业
red-hat thinking红色帽子思考法
Red d Hat-小红帽
red-hat craze红帽子狂热
red fringe hat红缨帽
the red hunting hat红色鸭舌帽
a red little hat一顶小红帽
red-hat merchant红顶商人
Red Thinking Hat红色思考帽
N（名词） the broad-brimmed crimson hat given to cardinals as the symbol of their rank and office 主教红帽