0738名無しさん@英語勉強中 (ブーイモ MM98-zKZC)垢版 | 大砲2017/07/19(水) 22:24:14.33ID:K99GjMGLM He insists that the approach by the method be proceeded, even if it is difficult. Also, as an example, by comparing to other methods, he concludes it.