知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 “A person who hardly ever designed a error never ever tried out something new.” – Albert Einstein “Shoot for the moon. Even when you pass up, you will land Amongst the stars.” – Norman Vincent Peale “Your time and efforts is proscribed, Will not squander it residing https://deendayaljanawasyojanarohtak.tech.blog/