在生物圈的地质历史演化中,智慧圈是众多阶段的最后一个阶段。
The mining industry must evolve or become obsolete—there's no middle ground.
A baker's hands are his most important tools.
The only way to get rid of a temptation is to yield to it.
永远不要停止学习,因为生活永远不会停止教导。