农业局长汤姆维格萨克关于这一陈述U.S-哥伦比亚贸易促进协议，或哥伦比亚TPA今天进入生效。
"Beginning today, U.S. agricultural exporters receive duty-free access on more than half of the products we currently export to Colombia, and virtually all remaining tariffs will be eliminated within 15 years. Estimates show that the tariff reductions in the U.S.-Colombia TPA will expand total U.S. exports by more than $1.1 billion
