Mainly in the field of science. I once worked part-time during the winter and summer vacations. I feel that there is a great demand for tutoring in mathematics and science in junior high school, mathematics and physics in senior high school, and the demand for tutoring in English will also increase, mostly in science. I once worked part-time during the winter and summer vacations. I feel that there is a great demand for tutoring in mathematics and science in junior high school, mathematics and physics in senior high school, and the demand for tutoring in English will also increase.