2 sentences

1. 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

2. 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