问题: 鲁桂珍与李约瑟这本书他是定价你知道吗？
Cypher查询:
match (:ENTITY{name:'鲁桂珍与李约瑟'})<-[:Relationship{name:'书名'}]-(n)-[:Relationship{name:'定价'}]->(q) return distinct q.name
查询结果:
15.80元