leasehold       
noun [ C or U ] uk/ˈliːs.həʊld/ us/ˈliːs.hoʊld/
 (居住或使用房屋、土地等的)租赁权
the legal right to live in or use a building or piece of land for an agreed period of time
  His family held the leasehold/had the property on leasehold. 他家拥有这处地产的租赁权。 
 Compare: freehold noun