The real moral test of a society is how it treats those who are at the dawn of life, the children; those who are in the twilight of life, the aged; and those who are in the shadow of life, the sick, the needy and the handicapped.
全球协作是解决当今能源领域面临的复杂挑战的关键。
书籍可以是镜子、窗户和滑动玻璃门。