1. You should carefully check the professional requirements in the recruitment announcement of central enterprises to ensure that your major matches the position you are applying for. If the professional name and curriculum are different, you can consult the human resources department of the enterprise to find out whether there are opportunities for job transfer training.

2. The major doesn't match the position you are applying for, but you have relevant skills and experience. You can try to highlight these advantages in your resume. If you are applying for a marketing position, but your major is international trade, you can emphasize your communication, negotiation and sales skills in your resume.

3. Central enterprises have higher professional requirements. You can try to expand the scope of job hunting to other enterprises and industries. You can search for positions related to your major on the recruitment website to find more suitable job opportunities.