Many thoughts go this way and that way in my mind, so it was a very hard task for me to put them together and make up as a report. I hope I did a good job. I'm not sure, though.x(
However, there was no enough time to read it completely. To be honest, I skipped some pages. So I'm thinking of reading it again during summer vacation. I guess I can get more information to realize the theme, or have new impression that'll broaden my horizon.