To my favorite professor, my forever professor
PS: This article was written on a whim after reading too many scam articles, feeling depressed, and the update is 100% irregular. The chance of scams is basically 100%. If you are not afraid, come and read it! The writing level is limited, and it is not a good article. If you want to read classic articles\H articles, you can directly close it; if you don't like it, you can directly close it. You can leave a message to make suggestions. Throwing bricks is not welcome. (Because I can't write without an outline, and I will not want to write if I am hit by being thrown bricks. Please understand)
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