简答题What do we learn about the new Google App Trips? A、It is still under development. B、It can be used for free in 300 cities. C、It servers as a trip planner and travel guide D、It is useless for travelers at their destinations.简答题What is the best feature of the App Trips？ A、It can work online. B、It can work offline. C、It can edit photos. D、It can replace GPS.