To solve a mathematical problem is to uncover a piece of the universal puzzle.
习俗并非任何协议或契约的结果,而是长期发展过程的产物,在此过程中它们适应了社会的生活条件。
The most important political virtue is moderation, the ability to balance competing interests and values in a way that promotes the common good.
企业要善于利用资本市场,为创新提供资金支持。