估计问题的性质与检验统计假设的问题不同。

若要优雅的姿态，走路时要记住行人不只你一个。

Music is the language of the spirit.

Transparency in aquaculture practices isn't optional—it's essential for consumer trust.

I was born in Africa.I came to California because it’s really where new technologies can be brought to fruition， and I don’t see a viable competitor.

The human body is first and foremost a mirror to the soul and the most powerful way to express emotions.