阈限性是两个阶段之间的过渡状态,个体既不属于这里也不属于那里,处于两者之间。
The mining industry must evolve to meet the demands of sustainability without compromising on efficiency.
一个组织的可持续性质量决定了其遗产的质量。
The rules of morality are not the conclusion of our reason.
"Courage is not the absence of fear, but the triumph over it."