检验统计假设的问题由来已久，其起源已不可考。
这是圣王的法则,治理天下的正道,不可不努力去做！
In the quest for understanding the cosmos, every question answered leads to a dozen more.
To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things, every single day.
Silence is the language of God, all else is poor translation.