The soul becomes dyed with the color of its thoughts.
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。
"The only way to do great work is to love what you do."
The only way to do great work is to love what you do.
Innovation is the soul of a company; without it, there is no future.
创造财富的根本在于生产力的不断提高。