1 sentence

1. 他通过建立广泛的人际关系网来拓展业务。

   tā tōng​guò jiàn​lì guǎng​fàn de rén​jì guān​xi wǎng lái tuò​zhǎn yè​wù.

   He expanded his business by building an extensive personal network.

   Source: Dong Chinese Dictionary