问题陈述得好，问题就解决了一半。
In the global energy transformation, China's coal industry must have its own voice and contribution.
全球能源变革中，中国煤炭行业要有自己的声音和贡献。
Only a life lived for others is a life worthwhile.
Education is the foundation of conservation—people protect what they understand.
化学是一门奇妙的科学，但一个人不应该完全投身于其中。