Um（表示迟疑、沉吟等）嗯。感叹词，读音为[ʌm]。一般可以把m拖长，如Ummmmmm…… 当然用最一般的yes最好啦 “Have you taken lunch? ”"yes" “I would like to tell you something.”"yes,please." “嗯，然后呢？”可以这样说啊"yes，and then..（what）?"
well
