You are barred from participating in any NASA-related field trips. And now you have a police record.

你被禁止参加任何与美国航天局有关的参观学习，而且你有案底了。

I was arrested by the police, convicted, and now I have a police record. With a criminal record, I can never be a cop.

警察逮捕了我并被判定有罪，现在我有案底。由于这个犯罪记录，我永远当不了警察。

And holding all else constant, a police record was more of an impediment to getting a job for African American men than White men.

在其他条件不变的情况下，与白人相比，警察记录对非裔美国人来说更像是找工作的障碍。