消息人士：美国和阿联酋已同意就一项可能降低关税的贸易协议展开谈判。

Core Viewpoint - The United States and the United Arab Emirates have agreed to negotiate a trade agreement that may lower tariffs [1] Group 1 - The potential trade agreement aims to enhance economic cooperation between the two nations [1] - Negotiations are expected to focus on reducing tariffs, which could benefit various sectors [1] - This agreement reflects a broader trend of countries seeking to strengthen trade ties amid global economic challenges [1]