2、hepersonalizedneedsofstudentstolearnanytimeandanywhere,butalsobringnewdevelopmentopportunitiesforteacher'sprofessionaldevelopment.Microclasses,withthewayofbreakupthewholeintopartsandthekeybreakthroughinthekeypointanddifficultyinteaching,thatopensanewworldforourteachingandlearning. K