Interest rates have a very important impact on the exchange rate, which is the most important factor affecting the exchange rate. We know that the exchange rate is the relative price between the two countries' currencies. Like other commodity pricing mechanisms, it is determined by the supply and demand relationship in the foreign exchange market. Foreign exchange is a kind of financial asset, which people hold because it can bring the benefits of capital. The purpose of team improvement includes the encouragement of individual associates to cooperate together inside the team's workplace, interacting and integrating skills right into a united effort so that each individual's goal achievement is attached to the greater overall team goal achievement. According to Jerome McCarthy, "basic marketing" : a market is a group of potential customers with the same needs; They are willing to trade the goods or services offered by the seller in exchange for something of value, which is the way to meet the demand. The response to the value of diversity is intellectual. Intellectual (including concept and image) is higher animals of conditioned reflex formed on the basis of more common, more abstract conditioned reflex, it is produced by the external and internal relations of things contact of abstract understanding. Among them, the abstract cognition of the internal relation of things forms the concept, and the abstract understanding of the external relations of things forms an image. Concept and image is what you have done to learn something from the induction and summary, make the person's behavior pattern has a more systemic and purpose, make people not only can adapt to the complex survival environment, but also the initiative to choose the environment. Due to the learning of thinking and behavior patterns are often fragmentary, irregular and blind, people often "learning, and I don't know why," can't consciously use, only after forming concept and image, will be to sort out a "main line", and according to the logic of determined by the "mainline" direction will learn things lined up. Through the abstract and image, the person can be either things to take the same responses to different stimuli, can also take different responses of the same stimulus thing, make the person's reaction mode diversification, flexible and purpose. For example, there are also harmful substances, which can be used in various ways, such as evasion, attack or protection, depending on the situation. Anyway, intellectual is very higher organisms (such as monkeys and apes) outside of the value of diversity things very advanced way of ordering reac Commercial vehicles are divided into three categories: passenger cars, vans and semi-trailer tractors. The passenger bus subdivided into small passenger car, city bus, coach, tourist bus, hinged passenger bus, coach, off-road bus, private bus. Goods vehicles are subdivided into general goods vehicles, multi-purpose lorries, full trailer tractors, off-road trucks, special operations vehicles and special goods vehicles.