现实是，你知道，作为一个黑人，巴拉克去趟加油站都可能被开枪打死。
The realities are that, you know, as a black man, Barack can get shot going to the gas station.
The psychologist must be a neutral observer.
"Escribir es una forma de vivir, de respirar, de existir."
The most widespread form of inequality in the world today is not that between rich and poor, but that between men and women.
科学不仅仅是发现新事物，还包括提高世界各地人们的生活质量。