翻译　urban residents, especially the poor
（城市居民，尤其是穷人）
同义替换　inhabitant n. 居民，居住者 dweller n. 居民，居住者liver n. 居民
revenue [?rev?nju?] n. 税收；收入；税务局
拆分　re（回）+ ven（来）+ ue→回来的东西→收入
例句　The solution turned out to be advertising, and it’s not an exaggeration to say that Google is now essentially an advertising company, given that that’s the source of nearly all its revenue.