で→ 1.place ; at,in,on 2.means/goods ; with,in,by 3.material ; of 4.raw materials ; from 5.cause/reason;of,from,with 6.price ; for 7.standard/unit ; by 8.time ; in, on に→1.place ; at,in 2.direction ; to 3.one's destination ; for 4.time ; at,in,on 5.ratio ; per,in 「Noun of operating place＋で」「Noun of existing place＋に」