Although there is no evidence for these multiverses, that has not stopped theorists from speculating about them.
尽管还没有有关多元宇宙的确凿证据，理论学家们还是在不停地揣摩它们。
2
Greene thinks the key to understanding these multiverses comes from string theory, the area of physics he has studied for the past 25 years.
格林尼认为理解多元宇宙的关键是弦理论。过去的25年间，他一直在研究弦理论。
3
In a dystopian world, a bounty hunter sets out to capture a ruthless band of outlaws who have kidnapped an important father and daughter through a world of multiverses.