请你把中文翻译成为英文
为什么欧盟和加拿大没有告诉公众，这两个国家对美国征收了巨额贸易关税并设置了非货币贸易壁垒。
"Why isn't the European Union and Canada informing the public that for years they have used massive Trade Tariffs and non-monetary Trade Barriers against the U.S.