未经审视的生活不值得过。
The unexamined life is not worth living.
Energy security is a crucial guarantee for national development. We must intensify technological innovation to enhance the efficiency of oil and gas exploration and production.
文化相似性和差异的解释必须在生活的物质条件中寻找。
人们在任何时候都能够实现他们的梦想。
The key to success is to always stay ahead of the curve.