(2) After writing the paper, submit it to the appropriate journals, and don't think about publishing core journals. College students' articles can't reach that level, and it's not bad to vote for nothing. Ordinary provincial journals can vote in it.
(3) If you really can't shoot, you can find some paper agencies to help. My classmates and I published it through Tao Tao Paper Network, which is more formal and reliable. In addition, the class was introduced by my senior, which was cheaper, and the result was published in a fake magazine.