Domestic preference; preference margin; preferential margin; margin of preference [procurement] Preference given to certain goods and services of domestic origin in a bidding procedure.是什么意思_Domestic preference; preference margin; preferential margin; margin of preference [procurement] Preference given to certain goods and services of domestic origin in a bidding procedure.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句