4 sentences

1. 所有的文档都已存储在云端。

   suǒ​yǒu de wén​dàng dōu yǐ cún​chǔ zài yún​duān.

   All documents have been stored in the cloud.

   Source: Dong Chinese Dictionary

2. 光盘和硬盘都是常见的存储介质。

   guāng​pán hé yìng​pán dōu shì cháng​jiàn de cún​chǔ jiè​zhì.

   Optical discs and hard drives are common storage media.

   Source: Dong Chinese Dictionary

3. 这部手机拥有两百吉字节的存储空间。

   zhè bù shǒu​jī yōng​yǒu liǎng​bǎi jí zì​jié de cún​chǔ kōng​jiān.

   This phone has 200 gigabytes of storage space.

   Source: Dong Chinese Dictionary

4. 这个仓库用于存储多余的粮食。

   zhè​ge cāng​kù yòng​yú cún​chǔ duō​yú de liáng​shi.

   This warehouse is used for storing surplus grain.

   Source: Dong Chinese Dictionary