A phantom trading scheme at a Wall Street investment bank went unnoticed for three years.
一家华尔街投资银行的虚构的交易方案历经3年都未被察觉。
《柯林斯英汉双解大词典》
2
The legislation would restrict banktrading in complex financial instruments known as derivatives, which are often used by companies to hedge against changes in commodity prices or interest rates.