我的世界怎么用命令方块 自定义村民交易附魔书

/summon Villager ~ ~1 ~ {Profession:1,Career:1,CareerLevel:9999999,Invulnerable:1b,CustomName:"附魔师",CustomNameVisible:1,Offers:{Recipes:[{maxUses:9999999,rewardExp:0b,buy:{id:"minecraft:diamond_block",Count:1b,Damage:0s},sell:{id:&