1 sentence

1. 双方应当互通有无，加强经济合作。

   shuāng​fāng yīng​dāng hù​tōng yǒu​wú, jiā​qiáng jīng​jì hé​zuò.

   Both sides should exchange what they have for what they need and strengthen economic cooperation.

   Source: Dong Chinese Dictionary