Time travel is the most frustrating thing in the world. You can't change anything, and you can't stop anything from happening.
時(shí)間旅行是世界上最令人沮喪的事情。你無法改變?nèi)魏问虑椋矡o法阻止任何事情的發(fā)生。
The way we frame a problem can greatly influence the solutions we come up with.