Coal is China's main energy source and will remain the cornerstone of China's energy security for a long time to come.
煤炭是我国的主体能源,在相当长时期内仍将是我国能源安全的基石。
Mathematics is the art of giving the same name to different things.
Champions are made when no one is watching.
在每个故事中,都有一个等待被揭示的隐藏真相。