simple olive oil dressing Vivekanand International School is found on Street No. 4 in Vishwas Nagar in New Delhi. Vishwas Nagar is amongst the many colonies in Shahadra. Shahadra is an eastern suburb of Delhi. Sometimes people call the full trans-Yamuna region as Shaahdra. Vishwas Nagar is another relatively cleaner and great place to remain for middle to upper middle class families near Shahdra. The colony is found at just 1 km from Shahadara Metro Station. Vishwas Nagar is well-known due to the streets name that is well located. With the development of social division of labor and market economy, the concept of market is also developing and deepening, and the multiple meanings of different levels are reflected in the deepening of the project. Additionally, some businesses tend to omit or neglect the after-sales service. /After putting the money into the pocket, businesses shoulder no responsibility for the successive service. This narrow-minded view wipes off the potential business based on customers' impression. When Businesses have been immersed in counting the temporary money, they have failed to gain more in future. /For example, the diamond of shoes from ABC I had purchased dropped off in two days. I had to head for the relevant repairing center. However, the repaired shoes broke again and irritated me to ask for the refund. What's more, they even charged more for the refunded money. Later I sworn never to offer a glance at this shop and dissuaded friends from visiting it. The customer's feeling directly decides on products' life in the market. The market is the condition that Commodity Exchange is carried out smoothly, it is commodity circulation domain all Commodity Exchange activity total. The market system is made up of all kinds of professional market, such as goods and services market, financial market, labor market, technology market, information market, the real estate market, cultural market, a complete system of tourism market, etc. At the same time, each professional market in the market system has its special functions, which are interdependent and mutually restricted, and work together in the social economy.