5 sentences

1. 他的档案几乎是空白的。

   tā de dàng'àn jī​hū shì kòng​bái de.

   His file's practically empty.

   Source: OpenSubtitles

2. 申请表上还有几处空白。

   shēn​qǐng​biǎo shàng hái yǒu jǐ chù kòng​bái.

   There are still a few blanks on the application form.

   Source: Dong Chinese Dictionary

3. 日期是空白的。

   rì​qī shì kòng​bái de.

   The date is blank.

   Source: OpenSubtitles

4. 这项研究填补了该学术领域的空白。

   zhè xiàng yán​jiū tián​bǔ le gāi xué​shù lǐng​yù de kòng​bái.

   This research filled a gap in this academic field.

   Source: Dong Chinese Dictionary

5. 这项科研成果填补了国内在该领域的空白。

   zhè xiàng kē​yán chéng​guǒ tián​bǔ le guó​nèi zài gāi lǐng​yù de kòng​bái.

   This scientific achievement has filled a gap in this field in China.

   Source: Dong Chinese Dictionary