Dave Rosenberg, chief economist at Gluskin Sheff, said there was no real breakthrough in the bond market, and that current interest rate yields did not significantly break the mean and median levels since 2009. Gender pay gap widening for women in their 20s, data shows Keynes argued that savings and investment were two interdependent variables, not two independent variables. Tubes in today's world is filled with harmony and polarization phenomenon, but still people are eager to build a better future, enable people to realize self-management, and supporting the social institutions really serve the people. At present, there are 89, 92, 95 and other labels on the market, which represent the octane value of gasoline, which means the anti-detonation of gasoline, which has nothing to do with the cleaning of gasoline. The so-called "high label gasoline is cleaner" is misleading. It is more scientific, more economical, and can give full play to the engine's efficiency according to the engine compression ratio or the requirement of the automobile instruction manual. The evolution of human beings has been through the process of inorganic small molecule, organic small molecule, organic polymer, multi-molecular system, primitive life, low animal, high animal and so on. The value phenomenon is accompanied by the development of human beings, and it is important to understand the origin of value in order to understand the value in a comprehensive and profound way, and to eliminate the many controversies existing in the theoretical circle of value. Humans evolved from lower animals, and the value phenomenon is not born, nor is it produced overnight. It has its own origins and evolves with the evolution of human beings.