It was tough, but I made it. I'm a college graduate.
那虽然不简单, 但我成功了。 我现在是一名大学毕业生了。
However, there is an even more insidious kind of pollution that particularly affects urban areas and invades our daily lives, and that is noise.
但是,还有一种更加隐蔽有害的污染,它专门影响城镇地区,侵袭我们的日常生活,那就是噪音。