质量不是标签;它是一种标准。
Quality is not a label; it is a standard.
Everything that happens once can never happen again. But everything that happens twice will surely happen a third time.
Every mathematical problem has a solution; sometimes it just takes time to find it.
The real moat is users' dependence on you.
The truth is not always the most effective weapon. Sometimes, a well-crafted lie can save more lives than the truth ever could.