发生
2.That's so convenient and comfortable. Sometimes, driving is very dangerous. You'll never know what will happen on the road. Besides, parking in the big city is a big problem.
那应该又方便又舒服吧.有时候开车真的很危险.你永远不知道在路上会发生什么事.而且要在大城市找个停车位是个大问题.



