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。
I'm not afraid to speak my mind.
A well-designed market minimizes the opportunities for strategic manipulation.
The global contemporary is always already local.
我喜欢梦的逻辑。
The metropolis exacts from man as a discriminating creature a different amount of consciousness than does rural life.