"We really tried to keep narrative flows going so it didn't get too convoluted, because I lose track of that stuff."

VOA: standard.2010.05.19

Why don't I just keep track on each pass through the algorithm whether I have done any swaps?

我为什么不仅仅跟踪算法的,每一遍来看看我做了哪些交换呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

But I really don't keep track of the names. I just like the game.

但我不记得篮球队员的名字，我只喜欢看比赛。

现场观看篮球赛 - SpeakingMax英语口语达人

But increasingly, users are saddled with so many shibboleths that they can't keep track.

FORBES: Magazine Article

If the USDA can't keep track of those that are no longer with us, how can the agency know where its program money is going?

FORBES: Magazine Article

Mr. Dolan said those agencies tap the database hundreds of times a week, but the FTC doesn't keep track of resulting prosecutions, financial penalties or other actions.

WSJ: Consumers Cry Foul Over Debt Collectors