facilitate

The new high-speed railway was built to facilitate trade and travel between the two major cities.

(Chinese) 修建这条新高铁是为了促进这两座大城市之间的贸易和旅游。

A neutral mediator was hired to facilitate the negotiations between the management and the union.

(Chinese) 聘请了一位中立的调解员，以促进管理层与工会之间的谈判。