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1·The definition of merchant banking has changed many times over the centuries.

商业银行业务的定义在这个世纪中已改变数次。

2·They call it merchant banking, taking their cue from the grandfather of the industry, J. Pierpont Morgan, who created the world's first billion-dollar company in US Steel.

这就是他们跟工业鼻祖约翰。皮尔庞特·摩根那学来的商业银行业务，他建立了世界第一家价值十亿美元的美国钢铁公司。

3·Using WS-Security, the client could sign the payment instructions to be sent to the banking system, preventing any modification to the intended payment amount by the merchant-system intermediary.

使用WS - Security，客户对发送给银行系统的付款指令进行签名，从而防止中间的商业系统随意修改指定的付款额。