For systems, the analogue of a face-lift is to add to the control graph an edge that creates a cycle, not just an additional node.

投资者情绪加上基金行业的促销等于麻烦。

成功不在于你赚了多少钱，而在于你对人们生活的影响。

The best detectives are the ones who never stop asking questions.

成功建立在信任、诚信和不懈努力之上。

农业创新不仅仅是新工具，而是改变思维方式。