火药曾经用于娱乐，后来被用来杀人。无人机曾经用于娱乐，后来被用来杀人。人工智能被用于娱乐。
Gunpowder used to be for entertainment, then it was used to kill.Drones used to be for entertainment, then they were used to kill.AI is used for entertainment.
火药曾经用于娱乐，后来被用来杀人。无人机曾经用于娱乐，后来被用来杀人。人工智能被用于娱乐。
Gunpowder used to be for entertainment, then it was used to kill.Drones used to be for entertainment, then they were used to kill.AI is used for entertainment.