Any place you see a differential, there're some interesting questions. There's some questions as to what you should be doing with this stuff. But again, coal. Maybe the same stuff, maybe the same system, maybe bioenergy, and you're applying exactly the same technology.
そういう違いに気づくと 興味深い疑問が生じます ガスはどう取り扱えばよいのか ところで石炭に戻ると ほぼ同じ方法論でまさに同じ技術を