So in sections where you have the opportunity to work in smaller environments with one of the teaching fellows, in office hours we have an opportunity to work one on one, hands-on in the computer lab or else we're on campus and really get personalized attention when it comes to diving into these problems.

因此在分组后,你们有机会与教员们一起在小房间里工作，在上机时间内我们有机会一对一授课，在实验室内亲身实践,不然的话我们在校园里探讨问题,会被很多人围观的。

哈佛公开课 - 计算机科学课程节选

And the number of refunds could be down this year because of law changes or other factors unrelated to the fraud filters or computer problems.

WSJ: Slow Refunds Rile Taxpayers

The final myth is the one that leads to the most pronounced false sense of security - that my make of computer or operating system is not vulnerable to security problems.

BBC: Computer security words in a Scrabble game