By creating a fictitious portfolio of trades that appeared to balance those he was really making, his net exposure stayed within set ranges and he remained belowtheradar.
通过伪造一个交易组合来平衡他在真正进行的交易组合，他的净暴露就能保持在允许的范围内而不被发现。
2
Experts point out that many companies use external shocks to make significant but below-the - radar modifications to central elements of their business, such as at plants or in supplier relationships.
专家指出，很多公司利用外部冲击对其业务中心元素，如工厂或供应商关系进行重大但不太显眼的修整。
3
"Women tend not to spend as much as men and splash their names all over the place," said one woman in the survey, describing her spending as conservative and he lifestyle as "belowtheradar".