[经] royalty interests on leaseholds
zū lìn quán shàng de shōu zū lì yì ㄗㄨ ㄌㄧㄣˋ ㄑㄩㄢˊ ㄕㄤˋ ㄉㄜ˙ ㄕㄡ ㄗㄨ ㄌㄧˋ ㄧˋ