A shortage is a sign that somebody is keeping the price artificially lower than it would be if supply and demand were allowed to operate freely.
When every penny must be calculated, the margin for error evaporates.
矿工最伟大的工具不是他们的设备，而是他们的判断力。
对我来说，最令人兴奋的事情是看到我们所做工作的影响。
The future of computing lies in harnessing the strange and counterintuitive properties of quantum mechanics.
The petroleum industry must accelerate digital transformation and use intelligent means to improve operational efficiency.