Um(表示迟疑、沉吟等)嗯。感叹词,读音为[?m]。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)?"