So sánh sự khác nhau của 2 từ chuyên ngành

If the term "wastewater treatment" is confusing to you, you might think of it as "sewage treatment."
Mọi người có thể dịch cho em câu này được không ạ?
So sánh sự khác nhau của 2 từ chuyên ngành kia nữa ạ. Hic em cảm ơn mọi người nhiều ạ. 
----- Nội dung dịch tự động từ ảnh -----
What is wastewater?
We consider wastewater treatment as a water use because it is so interconnected
with the other uses of water. Much of the water used by homes, industries, and
businesses must be treated before it is released back to the environment.
If the term "wastewater treatment" is confusing to you, you might think of it as
"sewage treatment." Nature has an amazing ability to cope with small amounts of
water wastes and pollution, but it would be overwhelmed if we didn't treat the
billions of gallons of wastewater and sewage produced every day before releasing
it back to the environment. Treatment plants reduce pollutants in wastewater to
a level nature can handle.
Wastewater also includes storm runoff. Although some people assume that the
rain that runs down the street during a storm is fairly clean, it isn't. Harmful
substances that wash off roads, parking lots, and rooftops can harm our rivers and
lakes.