尽管如此，化石上的记录保留了很多古老物种存在过的证据。

However, the fossil record retains evidence of many of these older species.

youdao

对于这种情况，数据分析必须建立控制“存活”(哪些记录保留下来)的策略。

For this case, the data analyst must establish the policies governing "survivorship" (which record survives).

youdao

止赎权与个人破产的信用记录保留期限最为接近，要保留7年(破产为10年)。

Foreclosures are the closest thing to personal bankruptcy, and stay on a person's credit record for seven years. (bankruptcy stays for ten.)

youdao

Then he'd write on a little note " and hand it to the guy and say just keep this note.

之后金匠会将其记录到一张票据上,交给他个人并且对他说：“保留好这张票据。

耶鲁公开课 - 金融市场课程节选

Hector Davis kept tremendous records, he kept account books, huge account books.

赫克托·戴维斯留下了庞大的记录,他保留着账簿,庞大数量的账簿

耶鲁公开课 - 美国内战与重建课程节选

Now when I asked you to start keeping the dietary records, I asked you not necessarily to change your food intake because we wanted you to have an accurate record of what you typically ate.

当我让你自己保留饮食记录,我告诉你没有必要改自己的食物摄入记录,因为我们想获得准确数据,关于你一般吃什么

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选