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。
我不在乎规则,我制定自己的规则。
The primary cause of unhappiness is never thesituation but your thoughts about it.
The only way to learn mathematics is to do mathematics.
Success isn't about fame or money; it's about doing what you love and sharing it with others.
晏子春秋