howsoon与howlong的区别？
how soon意义为: 多久以后.用在一般将来时,如: How soon will you be back, Jane? In a week. how long 意义为:1. (时间)多久,如:How long have you lived in Shanghai? I have lived there for a year. 2. (物体)多长,如: How long is the rope? It is about 5 metres.