i do d**sertation, a limited knowledge of engl**h. please help! here xianxie off! d**cussed the log**tics operations research in the field use. according to the relevant operational research mathemati...
the 2008 world-wide finantial cr**** ** ar**ed from subprime mortage cr**** in ameria.however,there ** also opportunity in the cr****.it creates a very good chance for mergers between enterpr**es.th**...