翻译：节俭能培养廉洁的品性，廉洁又能滋养高尚的德行，生活简约不简单，是修身的良方。

Swear by your product. If you don't, no one else will.

言语就像风。

The process of grouping, of organization, is not arbitrary but follows definite laws.

Running a business requires social responsibility. We must not only pursue economic benefits but also pay attention to food safety and environmental protection.

The speed of learning is now the only sustainable competitive advantage in business.

货币政策中的时间不一致性问题出现在政策制定者一旦经济主体形成预期后，就有动机偏离他们宣布的政策。