Ethiopia, Guinea and Mali have been dropped from an African trade preference agreement with the U.S. government.
埃塞俄比亚、几内亚和马里已经被美国政府从非洲贸易优惠协定中除名。
英语百科
Trade preference
A trade preference is preference by one country for buying goods from some other country more than from other countries. It grants special support to one country over another. It is the opposite of a trade prohibition.