3 sentences

1. 你已经盯着同一个卷宗看十分钟了。

   nǐ yǐ​jīng dīng zhe tóng yī gè juàn​zōng kàn shí fēn​zhōng le.

   You've been staring at that same file for ten minutes now.

   Source: OpenSubtitles

2. 律师仔细查阅了那起经济案的卷宗。

   lǜ​shī zǐ​xì chá​yuè le nà qǐ jīng​jì'àn de juàn​zōng.

   The lawyer carefully reviewed the files of the economic case.

   Source: Dong Chinese Dictionary

3. 他将新整理好的材料整齐地装入卷宗。

   tā jiāng xīn zhěng​lǐ hǎo de cái​liào zhěng​qí de zhuāng​rù juàn​zōng.

   He neatly placed the newly organized materials into the file.

   Source: Dong Chinese Dictionary