2 sentences

1. 请将这些文件收好。

   qǐng jiāng zhè​xiē wén​jiàn shōu​hǎo.

   Please put these documents away carefully.

   Source: Dong Chinese Dictionary

2. 请把这封信收好，日后会有用的。

   qǐng bǎ zhè fēng xìn shōu​hǎo, rì​hòu huì yǒu​yòng de.

   Please keep this letter safe; it will be useful in the future.

   Source: Dong Chinese Dictionary