It depends on your personal learning ability. Some people find it difficult, others find it easy. As for whether you can make complicated drawings, it depends on which stage you have learned; You can go to England, America and Kyrgyzstan. Their e-commerce courses are divided into primary, intermediate and advanced. You can go and see which stage of knowledge you want to use and at which stage you can study. Of course, learning this kind of thing, in addition to the teacher's responsibility, you should also work hard.