Please keep my file active until Fall 1999.

请将我的申请材料保留到1999年秋季。

youdao

Please keep my file active because I have registered to take the GMAT again in the coming October.

请保留我的申请材料，因我已报名参加即将10月举行的GMAT考试。

youdao

So the special active file keeps track of whatever you missed.

因此这些特殊的文件保持着它的轨迹。

哈佛公开课 - 计算机科学课程节选

Whenever new files are added, or changes are made to an existing file within the Active Copy enabled folder, these files are automatically copied to a chosen destination folder.

ENGADGET: Pogoplug now streaming to Xbox 360 and PS3, handling offsite backups

During his 2012 WWDC keynote presentation, Tim Cook announced Apple has more than 400 million active credit cards on file.

FORBES: Apple, iOS 6 & Mobile Payments - One More Thing for the iPhone 5?

With over 400 million active credit card accounts on file, Apple had a prime opportunity to convert its customers using a sleek mobile payment system tied to the iPhone.

FORBES: Apple Unveils Faster, Thinner iPhone 5 With 4-Inch Retina Display, LTE Support (Live Blog)