He typically spends two to four months on a single deal, ensuring that details like timing of payments or definition of the triggering event are precise enough to avoid disputes or default.

• 他通常会在一桩交易上花两个月到四个月的时间，确保给付时机或触发事件定义等细节之处足够精准，以免日后出现纠纷或违约。