Economics is ultimately about improving human welfare.
经济学最终是为了改善人类福祉。
死亡不算什么，但每天生活在失败和没有荣耀中就是每天都在死去。
We must be vigilant and resolutely fight against all enemies, both internal and external.
【释义】与人相处的忌讳，莫过于总喜欢充当别人的老师。
Don’t worry how or where you begin. As long as you keep moving， your success will be far from where you start.
The energy sector is the backbone of any economy, and its stability ensures national security.