[] a series of marks that is left by sth as it moves and that shows where it has been痕迹；足迹；踪迹◆(figurative) She quit her job, leaving a trail of unfinished projects and unreturned phone calls behind her.她辞职后留下一堆未完成的项目和未回复的电话。●be/go on the ˈtrail of sb/sth●be/go on the … trailto be following or trying to find sb/sth跟随；寻找◆Analysts expect the company to be on the acquisition trail next year.分析员预计这家公司明年也将寻求收购。●blaze a/the ˈtrailto be the first to do or to discover sth that others follow开拓；开辟道路◆Comet is blazing the jobs trail by creating 3 000 new jobs.科密公司率先创造了 3000 个新职位。audit trail paper trail