石油化工的未来在于可持续性和高效性。
The past is not dead, it is not even past.
至今一切社会的历史都是阶级斗争的历史。
Success is not accidental, but the result of hard work.
概率论作为一门数学学科,可以而且应该像几何和代数一样从公理出发进行发展。
A company's greatest asset is its people. Invest in them, and they will invest in the company.