/ˈɑ:bɪtrɑ:ʒ;-trɪdʒ ||; ˈɑrbəˌtrɑʒ; -trɪdʒ/noun [U] (in business 商业) the practice of buying sth, for example foreign money, in one place and selling it in another place where the price is higher 套购（如套汇）