在我们迈向低碳未来的过程中，天然气将在能源结构中发挥关键作用。
Natural gas will play a critical role in the energy mix as we move toward a lower-carbon future.
一个人需要相当的知识才能意识到自己的无知程度。
Global hunger won't be solved by charity alone - it requires systemic change.
Don't gain the world and lose your soul, wisdom is better than silver or gold.
Literature isn't a moral beauty contest.
孔子说：“温习旧知识时，能有新收获，就可以做老师了。”