介绍:
Day6.
The greater the population there is in a locality, the greater the need there is for water, transportation, and disposal of refuse.
一个地方的人口越多，其对水，交通和垃圾处理的需求就会越大。
Locality =area=region 地区
Refuse v. 拒绝；n. 垃圾，废弃物
the greater…, the greater… xxx越多，xxx就越多
