University of International Business and Economics to refine My summer job certainly refined my ideas on how an off-price store is run.Reporters tried to refine their questions to draw direct responses. to sort through Intelligence officers took five days to sort through the files they had seized. 制卧价贸易大孝 UNIVERSITY OF INTERNATIONAL BUSINESS AND ECONOMCSUniversity of International Business and Economics to refine My summer job certainly ________my ideas on how an off-price store is run. Reporters tried to ________ their questions to draw direct responses. refined refine to sort through Intelligence officers took five days ________________ the files they had seized. to sort through