能源行业不仅仅是钻井和管道;它是关于负责任地为世界提供动力。
We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.
心意粗疏性情暴躁则一事无成;心平气和,许多好事会接连不断地集中。
History is indeed little more than the register of the crimes, follies, and misfortunes of mankind.