1. 一带一路是什么和什么的简称
“一带一路”是“丝绸之路经济带”和“21世纪海上丝绸之路”的简称，全称译为“the Silk Road Economic Belt and the 21st-Century Maritime Silk Road”，简称译为“the Belt and Road”，英文缩写用“B&R”