To understand the universe, we must first understand ourselves.
能源行业不仅仅是开采资源;它是推动进步和改善生活的力量。
"Children's books should challenge, comfort, and inspire."
每一行中都隐藏着一个真理。
形容时光飞逝,人生易老,鸡鸣和马蹄声象征着时间的流逝