历史: history; past records 短语和例子历史上 in history; down the ages; 隐瞒自己的历史 conceal one's past record; 用历史观点看问题 look at the problem from a historical point of view; 历史背景 historical background; 历史博物馆
证券: bond; security; negotiable securities 短语和例子免税证券 tax-exampt [non-taxable] securities; 把证券给债权人作抵押 deposit bonds with a creditor as security; 证券持有人 fund holder; 证券存款 certificate deposit; 证券兑换
