A few children went home and said, "I'm going to Japan tomorrow, but you don't need to worry, mom, 'cause I'm going to be home at 8 o'clock at night".

有些小孩回家后说：“，我明天要去,日本了，不过妈妈你不要担心，因为我会在8点钟回家。

麻省理工公开课 - 媒体、教育、市场课程节选

So don't worry if you have some questions right now.

因此，如果你现在有疑问，请不要担心。

麻省理工公开课 - 化学原理课程节选

Some people are going and in this course we would know whether you're hearing duple or triple based on some other information so don't worry about if you're doing .

小部分人是,在本课程中我们会知道,你们是否可以根据其他的信息,辨认出这是三拍子或者二拍子,所以也不要担心,哪怕你这样做了

耶鲁公开课 - 聆听音乐课程节选