提高效率和减少运行成本是驱动约定最普遍的业务需求。
If the motorcycle needs driving in short distance or in cold areas frequently, the gear oil should be replaced more often.如果摩托车经常进行短途或经常在寒冷地区行驶,齿轮油也要经常进行更换。
Besides driving well, the most important thing a taxi driver needs to know is the streets, and I knew the city well because I had lived in it for a long time.除了良好的驾驶技术,对出租车司机来说最重要的就是要了解城市的街道。我很了解这座城市,因为我在这里住了很长一段时间。