This industry requires a lot of knowledge, of course, you can slowly learn, but this is the line of work will be longer, will be more difficult, but and the restaurant industry is the same service industry. This line of work requires patience, need to accumulate, need to withstand high pressure, and this line of work elimination rate is very high, not everyone is suitable, but definitely worth trying. Of course, if you do the hard work, the right way plus a little bit of luck, the income is still quite considerable.