It turned out that his brother was the person pulling the strings behind the operation.原来他哥哥是那次行动的幕后操纵者。Borusa had no wish to become president, instead preferring to operate as an eminence grise behind the scenes.博鲁萨不愿意当总裁，而是更喜欢做一个幕后操纵者。The assassin's paymasters were never identified.那名刺客的幕后操纵者始终没有查出来。