【蔡娟娟】評論
drop in on sb拜访某人 drop in at sp到访某地drop by:顺便拜访 drop someone off:让...下车 drop in:顺便走访(某人)
【Hsu Baleng】評論
see off 為...送行;set out 開始;live up to 實踐
【non_add5956】評論
set off for / set out for / leave for 前往某地