If you cannot make the office hours, again, contact the recitation instructor to make other arrangements.

再次说，如果你们在办公时间不方便，联系背诵课的老师,再安排安排。

麻省理工公开课 - 固态化学导论课程节选

Sometimes it's a lot easier to reach into your wallet, pull out a piece of plastic and voila, there are the next several shuttle times.

都是不太方便的,也许伸进口袋，拔出一块塑料来看看，还有其他的班车时间呢。

哈佛公开课 - 计算机科学课程节选

Is never going to be the most convenient one experimental.

试验中要保持熵恒定,是非常不方便的。

麻省理工公开课 - 热力学与动力学课程节选