Any change, even a change for the better, is always accompanied by drawbacks and discomforts.
You have to be run by missionaries, not mercenaries.
一个人最危险的敌人是他自己的口舌。
无人机的未来在于智能化,而智能化的核心是算法和数据。
【释义】:天地日月无私地庇护、承载、照耀万物,体现了自然的无私和广博。