我保存着所有痕迹：旧的电子邮件和聊天记录，文字信息还有她唱的歌。

I have kept all the evidence: old e-mails and chats, text messages, her songs.

youdao

我同样保存着一副航线所需要的所有装备清单。

I also kept an inventory of all the equipment aboard ship.

youdao

我保存着这些笔记，还有所有的听力练习，然后汇总成一本教材。

I had these lecture notes; I had all of these listening exercises; I basically just put it in a textbook.

youdao

I had these lecture notes; I had all of these listening exercises; I basically just put it in a textbook.

我保存着这些笔记,还有所有的听力练习,然后汇总成一本教材

耶鲁公开课 - 聆听音乐课程节选