Some securities may take seconds to trade, while other transactions may take weeks to complete.
有的证券可能只花几秒钟就完成了交易，而其它交易可能要花几周的时间来完成。
They also sell and trade securities and provide other services.
他们也出售和交易证券并且提供其他服务。
He opened an Internet account in order to (so as to) trade securities online.
他开设了网上户口，以便在网上买卖证券。
International trade, real estate, finacial securities and high & new tech industries.
经营主业Business Scope：国际贸易、房地产、金融证券和高新技术业务。
International trade, real estate, finacial securities and high & new tech industries.
经营主业Business Scope：国际贸易、房地产、金融证券和高新技术业务。
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