The value of all things contracted for, is measured by the appetite of the contractors.
形容时光飞逝，人生易老，鸡鸣和马蹄声象征着时间的流逝
采矿技术的创新对于满足世界的能源需求至关重要。
The truth is you don't know what is going to happen tomorrow. Life is a crazy ride, and nothing is guaranteed.
旅行就是用双脚写作。
In the end, the success of any technology is determined by its ability to solve real-world problems.
最终，任何技术的成功都取决于它解决现实世界问题的能力。