白宫表示，危地马拉已承诺解决并防止其市场中针对美国农产品的障碍。

Core Insights - The White House has announced that Guatemala has committed to addressing and preventing barriers to U.S. agricultural products in its market [1] Group 1 - Guatemala's commitment is aimed at resolving issues that hinder U.S. agricultural exports [1] - The agreement signifies a potential improvement in trade relations between the U.S. and Guatemala [1]