想要迅速了解刚认识的人的真实性格，可以给他们一个超级慢的网络。观察之。

"Words are my weapons against silence and oppression."

Love is the only thing we take with us when we die. It makes death so easy.

"The beauty of books is that they can take you anywhere."

"To think is to confine yourself to a single thought."

The legacy we leave behind is measured not just in buildings, but in the impact we have on people's lives.《Building Tomorrow》

估计问题的性质不同。在这里，我们不关心检验特定的假设，而是关心估计参数的值。