人才是企业最宝贵的资源。我们必须投资于员工,建设世界一流的能源公司。
Natural experiments can provide valuable insights into economic questions.
创新不仅仅是创造新事物;它关乎改变人们的生活。
The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth.