There are plenty of pro-slavery writers who also, to some extent, whether out of guilt or out of awareness, saw slavery as wrong, but they saw it as a problem more for white people than for black people.

还有一些亲奴制的作者,在某种程度上,或不知廉耻或未曾意识到,他们错误地看待了奴隶制,他们更看重奴隶制对白人的影响,而不是对黑人种族本身的影响

耶鲁公开课 - 美国内战与重建课程节选

Are you aware of any of the mistakes?

你意识到经常犯的错误了吗？

经常犯的失误 - SpeakingMax英语口语达人