There is a more fundamental question: is there a better system for creating incentives to produce life-saving medicines priced at a level that means they can reach everyone?
请问:
(1) that 引导的定语从句的先行词是?
(2) they 指的是?
(1) that 引导的定语从句的先行词时 level。
(2) they 指 life-saving medicines。