Question

migrating America tends to be in neighborhoods with lots more advertising of sth

为什么在这句话里为什么不用advertisement,而要用advertising？对于动名词作名词与名词形式的关系，用法

Answer 1

advertising在这里是个名词，指的是广告业，广告，是泛指，而advertisement是广告，意思就相对比较具体，如The wall was covered with advertisements.墙上贴满了广告。