3 sentences

1. 中国正在深化税制改革。

   Zhōng​guó zhèng​zài shēn​huà shuì​zhì gǎi​gé.

   China is deepening the reform of its tax system.

   Source: Dong Chinese Dictionary

2. 这次访问深化了双方的相互理解。

   zhè cì fǎng​wèn shēn​huà le shuāng​fāng de xiāng​hù lǐ​jiě.

   This visit deepened the mutual understanding between the two sides.

   Source: Dong Chinese Dictionary

3. 这次三中全会审议通过了关于进一步全面深化改革的决定。

   zhè cì Sān Zhōng Quán​huì shěn​yì tōng​guò le guān​yú jìn​yī​bù quán​miàn shēn​huà gǎi​gé de jué​dìng.

   The third plenary session deliberated and passed the decision on further comprehensively deepening reforms.

   Source: Dong Chinese Dictionary