美国贸易代表贾米森·格里尔：我希望为美国牛肉开拓其他市场。

Core Viewpoint - The U.S. Trade Representative, Jamison Greer, expresses a desire to explore new markets for American beef [1] Group 1 - The U.S. aims to expand its beef market presence internationally [1] - There is a strategic focus on diversifying export markets for American beef [1] - The initiative reflects a response to changing global demand dynamics for beef products [1]