相關bummer的文學知識

1、Ihadabummerofaday.2、It'sarealbummertoloseyourjob.3、Whatabummer!I'mallthumbstodayanyway.4、Havingtostandinlinesolongisarealbummer.5、Weheardtheirconcertlastnightanditwasterrible-believeme,arealb...