translation.en: I am a data nerd, and the reason for that is I want to make sure that if we spend a dollar, that the program works, and if it doesn't work, we should change the plan.
translation.zh: 我是个数据狂人 原因是我想确认 如果我花了钱，这项工作会起效 如果不起效，我们就得改换主意了