client profitability 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. Smarter company has started from the race, culture, age and objective aspects of diverse work, and "" Women in Blockchain" organization) and "Social Impact" initiatives have been all over the world, make more Women into the block chain domain. 7. Efficiency. The efficiency of the plan mainly refers to the time and economy. Why?