英语流利说懂你英语Level4 Unit1 Part1 Listening-Visiting a Friend1Cristina is on a two week vacation.This is the first vacation she has had for a long time.The last vacation she took was more than two years ago.Now she is visiting a friend in San Francisco.Her friend and her husband are living near the center of the city.He works for a start-up company in SiliconValley.While he is working, she works part-time at a department store.Christina hasnt seen her friend for a long time.The la
