4 sentences

1. 我应该摧毁你的备份。

   wǒ yīng​gāi cuī​huǐ nǐ de bèi​fèn.

   I should destroy your backups.

   Source: OpenSubtitles

2. 你应该定期备份你的重要文件。

   nǐ yīng​gāi dìng​qī bèi​fèn nǐ de zhòng​yào wén​jiàn.

   You should back up your important files regularly.

   Source: Dong Chinese Dictionary

3. 我们需要定期备份资料库以防数据丢失。

   wǒ​men xū​yào dìng​qī bèi​fèn zī​liào​kù yǐ​fáng shù​jù diū​shī.

   We need to back up the database regularly to prevent data loss.

   Source: Dong Chinese Dictionary

4. 由于数据已经备份，我们可以轻松复原这些文件。

   yóu​yú shù​jù yǐ​jīng bèi​fèn, wǒ​men kě​yǐ qīng​sōng fù​yuán zhè​xiē wén​jiàn.

   Since the data has been backed up, we can easily restore these files.

   Source: Dong Chinese Dictionary