AND/ALSOused when saying something that is not related to the mainsubject you were talking about before 附带[顺便]说〔用于转入与之前主题无关的事〕
By the way, have you seen my keys anywhere?
顺便问问,你有没有在哪儿见过我的钥匙?
Examples from the Corpus
by the way• By the way, we are ruling out places like SouthBend, Ind.• Ni-cads, by the way, should not be left in a discharged state for very long periods.• Fast, by the way, is the operativeword.• And it's Jonathan, by the way.• Davis is a man, by the way, not a monster.• Oh, by the way, Vicky called while you were out.• His narratinghero and anchorman, Nicholas Jenkins, is constantly being mildly surprisedby the way things and people turn out.• You can tell that by the way they muckschedules about.