Some would get worried and they would discuss slavery as a necessary evil this system entailed upon them.

有些人感到忧虑,他们认为传承下来的奴隶制,毫无疑问是种罪恶

耶鲁公开课 - 美国内战与重建课程节选

I think that there's definitely a class system, but I also feel like everyone is very accessible,

我觉得，毫无疑问，这是种阶层系统，但我也感觉何种人都很容易接触到。

美国贫富差距？ - SpeakingMax英语口语达人