Idf
abbr. 综合资料文件（intergrated Data File）
🗣️ 情景例句
Things have been better, but I'm still happy to be living here.
情况好了不少，但我还是很乐意住在这儿。
An evening red and a morning grey, is a sign of a fair day.
晚霞红如火，晓色青如灰，定是晴朗天。
What about her?
她呢？