Sideshows and wild-goose chases cropped up occasionally during the investigation.调查过程中难免会出现一些枝节问题和劳而无功的事。New Yorkers rap about parties and clubs, I rap about car chases and guns.纽约人在说唱音乐中表现晚会和俱乐部的情景，我则说唱飞车追逐和枪战的情景。My dog chases after butterflies.我的狗喜欢追赶蝴蝶。