Idf
abbr. 综合资料文件（intergrated Data File）
🗣️ 情景例句
with the school board,
和联合校董会一起，
Yes, we have done a little. But we have just started and have nothing to show you.
有，我们做了一些，但是因为我们才刚起步，并没有任何资料可以提供给你们。
We're not going to have any classes next week.
下周我们不上课。