So what you have is the account of Richard and his friends talking in the past, and you have the present narrator's parsing of how this language relates to topics that impinge upon their very context, the racial realities of the South.

理查和朋友的对话,呈现在面前，同时加入了陈述,关于这语言如何与影响上下文的话题相关，文中提到南方的种族现实。

耶鲁公开课 - 1945年后的美国小说课程节选

Could you explain how you joined the army?

你能给我们解释一下你是如何加入军队的吗？

想当军人的理由 - SpeakingMax英语口语达人

How did you join that club?

你是如何加入那个俱乐部？

重建社团小组 - SpeakingMax英语口语达人