One of my coworkers, an African-American, told me that the first part of being successful with his skin color is to “abandon the ghetto mentality.” What does he mean by that?

我的一位同事是一位非洲裔美国人,他告诉我,要想用自己的肤色获得成功,第一步就是“摒弃贫民窟心态”。他这是什么意思?