a cover made of stiff card or plastic for holding loose papers, etc. 文件夹；纸夹 
There were two new buff folders on my desk. 我桌上有两个崭新的浅褐色文件夹。
(in some computer systems) a way of organizing and storing computer files （某些计算机系统中的）文件夹 - (North American English)
a printed sheet of paper or a few printed pages folded into a small book synonym leaflet The full specification of this remarkable car can be found in the information folder. 在信息文件夹中可以找到这款非凡汽车的完整规格。
