However difficult life may seem, there is always something you can do and succeed at.

领导力意味着今天做出艰难的决定，为未来的几代人带来好处。

Those who cannot remember the past arecondemned to repeatit.

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.

我不是说唱歌手，我是一个地理的传奇。