【例一】jamesaverycraftsman,inc.p.o.bo1367kerrvilleteas78028july14,1990professordorrelllamaruniversitybo10033beaumont,t77710dearms.dorrell:thankyouforyourrecentinquiryconcerningjamesaverycorporategifts.tohelpwithyourgiftpurchases,ihaveenclosedourmostrecentcatalogsillustratingmanyofourpopularitems.becausewedesignandmanufactureourownjewelry,thesecatalogscanonlyrepresentasmallportionofthemorethan6,000des...