I used it so that they could record all of the books that they read about Japanese culture.

我用它是为了让孩子们能记录下,他们读过的所有有关日本文化的书。

麻省理工公开课 - 媒体、教育、市场课程节选

and delete her voicemail messages so as that they could record more and listen to them all.

删除她的语音留言，这样他们就能记录更多，而且听到所有的语音。

新闻社的真实事件 - SpeakingMax英语口语达人