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
He spent his evenings and weekends working at Wall Street companies, learning about trading, and found he was exceptionally talented in math and risk analysis.