相关briefcase的文学知识

Mike:They'realwaysinyourbriefcase.Noonetoldmeaboutanybriefcase.Heunclaspedhisbriefcaseandtookouthisnotes.Davisasked,makingaplayfulpretenceatseizingCastle'sbriefcase.Heputallthefilesintohisbriefcase....