Derates
vt. 减免；减税, 免税
🗣️ 情景例句
He has an old head on young shoulders.
他年轻又有见识。
Knowledge advances by steps and not by leaps.
知识只能循序渐进，不能跃进。
Imagine a railway station, a bus company or a cinema, which many people need to ring to find out the times of trains, buses or films.
想一想，有许多人需要打电话到火车站、汽车公司或电影院，以便弄清火车、汽车的起始时间或电影放映的时间吧。