I am communicating. The development space of optical network is still quite large, of course, it depends on your personal ability, and the communication industry is particularly strict with people. The salary will not be very high. The probation period is from 1000 to 2000, and the working years will probably not be less than 3000. People in this business earn money by traveling. And I should know the training institution you mentioned. I have friends who are teachers there. I speak as a neutral person. As far as I know, they pay half the fee first and sign an employment agreement when they enter school. If they are unable to work due to school reasons, they are required to refund their tuition fees. If this happens, I don't think they can do it and will not send so many students away. I suggest you guys go and find out! With your IQ, they can't cheat you, and you won't let them cheat you. Ha ha! Just kidding. I still hope you can find your goal as soon as possible. Work hard for the cause!