[] () to buy, or allow sb to buy, shares, bonds, etc. with money borrowed using their account with the broker as a guarantee 以保证金方式进行交易◆Some brokerages may decide not to margin certain stocks. 有些经纪行会决定对某些股票不提供保证金交易。▸marginable /ˈmɑːdʒɪnəbl; NAmEˈmɑːrdʒən-/