Health is not a privilege of the rich, but a vulnerability of the poor.
跨学科合作对解决全球能源问题至关重要。
"The line between good and evil runs through every human heart."
Civilization as it is known today could not have evolved, nor can it survive, without an adequate food supply.
学校应该是培养集体精神的地方，个人在与社会的和谐中得到发展。
It is indeed an opinion strangely prevailing amongst men， that houses， mountains， rivers， and in a word all sensible objects， have an existence， natural or real， distinct from their being perceived by the understanding.