1. The duo soon collaborated to found Apple. 这二位很快就合作创办苹果。
2. Sorry, transaction is cancelled duo to machine error. 很抱歉，机器出现故障，交易被取消。
3. Later, Christina regains consciousness at the apartment where the duo are holed up. 稍后，在迈可他们藏身的公寓里，克里斯蒂娜恢复了意识。
英英解释
n.
1. two items of the same kind
2. two performers or singers who perform together
3. a pair who associate with one another
4. a musical composition for two performers
