bridge a/the gap idiom
弥合差距；弥补隔阂；消除差异
to connect two things or to make the difference between them smaller
The president singled out education as a vital tool in bridging the gap between rich and poor. 总统先生首推教育为消除贫富差距的重要途径。
This collection of stories bridges the gap between history and fiction. 这部短篇小说集融合了历史和虚构文学。