20miles south of the city怎么改成20miles—— ——south of the city(缺两个空)

问题描述:

20miles south of the city怎么改成20miles—— ——south of the city(缺两个空)

20 miles (to the ) south of the city.
表示方位时,on the 和 in the不能省略,to the可以省略