勇敢并不是没有恐惧。勇敢是虽然有恐惧,但能找到克服它的方法。
Being brave isn’t the absence of fear. Being brave is having that fear but finding a way through it.
一个人知道自己为什么而活,就可以忍受任何一种生活。
采矿的未来在于智能化和可持续发展。
The theory of economic development is the study of how the economic system generates the forces which incessantly transform it.