The most obvious answer is that at an earlier stage in the Latin American saga, the banks simply could not have afforded to take such losses on their capital. They needed to fake it for seven years in order to build up adequate reserves against losses.
最明显的原因是，在拉美危机爆发的头几年，各银行根本无法承受如此高昂的资本亏损。它们必须撑门面撑七年时间，才能积累起足够的储备来承受亏损。