Things don’t have to change the world to be important.
Innovation in natural gas extraction is key to meeting the world's growing energy demands while reducing environmental impact.
To understand a culture, one must first understand its language.
采矿业必须在不影响效率的情况下发展以满足可持续发展的需求。
勇气是所有美德中最重要的,因为没有勇气,你就无法始终如一地实践其他美德。