Hua Zi, Ma Ji, James Wynn... all started from the first level of big cuts. Once they make money, they lose sight of their own capabilities. They want to go to the second level to prove themselves. At the first level, most of the opponents are retail investors; having influence means having pricing power. At the second level, the opponents are exchanges and institutions, which require much higher professionalism. There are specialists in every field; comprehensive players do exist, but they are very few.