按本節所述的一種典型定義，永久完全傷殘是連續至少十二個月完全不能從事任何有收入的職業，且在該時點已無合理康復希望。
Under one typical definition in this section, permanent total disablement means complete inability to perform any gainful occupation for at least 12 continuous months, with no reasonable hope of improvement at that point.