1 sentence for 重叠 (chóng​dié — redundancy)

1. 这两个部门的职能有很多重叠之处。

   zhè liǎng gè bù​mén de zhí​néng yǒu hěn​duō chóng​dié zhī chù.

   There is a lot of overlap between the functions of these two departments.

   Source: Dong Chinese Dictionary