流利说·核心课·Level 3·Unit 1·Part 1·Listening【Bus Schedule】
微信图片_20191005003941.jpgHereisabusscheduleatabusstop.Onmostdays,thebusescomeonschedule,butsometimestheydon’t.Yesterday,forexample,severalbuseswerelate.Thisisbecausethetrafficyesterdaywasmuchheavierthan