●The customer is the best teacher, the peer is the best example, the market is the best school. Learn from others and serve others better

● The customers buy not only products, but also services.  The service just started after deal,

● We need to learn to communicate. The affection is more important than profit and cooperation.

● There is no unsellable product, only unsellable people.It's not a bad market, but you don't work hard.