Not bad. Basically, the training of the motherboard is more than 654.38+10,000 yuan. Don't trust those motherboard remedial classes that cost thousands of dollars. All learning is about tuition and teaching quality, and a real machine fault board costs hundreds of dollars. If these can be provided by the school, that is the best. The owner of Shenzhen is to install consumables, which saves the money to buy the motherboard and is worth the money spent.