5 sentences

1. 良好的性生活有助于增进夫妻感情。

   liáng​hǎo de xìng​shēng​huó yǒu​zhù​yú zēng​jìn fū​qī gǎn​qíng.

   A good sex life helps to enhance the bond between husband and wife.

   Source: Dong Chinese Dictionary

2. 此次访问旨在增进两校之间的联谊。

   cǐ cì fǎng​wèn zhǐ​zài zēng​jìn liǎng xiào zhī​jiān de lián​yì.

   The visit aims to enhance the friendship between the two schools.

   Source: Dong Chinese Dictionary

3. 这次联谊活动增进了两个部门之间的感情。

   zhè cì lián​yì huó​dòng zēng​jìn le liǎng gè bù​mén zhī​jiān de gǎn​qíng.

   This social event strengthened the bond between the two departments.

   Source: Dong Chinese Dictionary

4. 多与人交流有助于增进彼此的理解和信任。

   duō yǔ rén jiāo​liú yǒu​zhù​yú zēng​jìn bǐ​cǐ de lǐ​jiě hé xìn​rèn.

   Communicating more with others helps to enhance mutual understanding and trust.

   Source: Dong Chinese Dictionary

5. 这次交流活动大大增进了两校学生之间的友谊。

   zhè cì jiāo​liú huó​dòng dà​dà zēng​jìn le liǎng xiào xué​sheng zhī​jiān de yǒu​yì.

   This exchange activity greatly enhanced the friendship between the students of the two schools.

   Source: Dong Chinese Dictionary