准备一个螺旋订装的笔记本，并且保持把你所有的备注情况记在上面作为以后的参考。

Get a spiral-bound notebook date it and keep all your notes in the book for future reference.

youdao

准备一个螺旋订装的笔记本，并且保持把你所有的备注情况记在上面作为以后的参考。

Get a spiral-bound notebook date it and keep all your notes in the book for future reference.

youdao