过去并未死去，它甚至从未过去。

Stories you read when you're the right age never quite leave you. You may forget who wrote them or what the story was called. Sometimes you'll forget precisely what happened, but if a story touches you it will stay with you, haunting the places in your mind that you rarely ever visit.

"Sometimes, you have to be a little bit naughty to get what you want."

无人机技术最大的价值在于它能到达人难以到达的地方。