If you say that something is not a panacea for a particular set of problems, you mean that it will not solve all those problems.
例句
Membership of the ERM is not a panacea for Britain's economic problems...加入欧洲汇率机制并不是解决英国经济问题的万灵丹。Western aid may help but will not be a panacea.西方援助可能会有所帮助,但并非灵丹妙药。
英汉词典释义
n.
治百病的药,万灵药
the discovery of the panacea万灵药的发现
英英词典释义
Noun
1. hypothetical remedy for all ills or diseases; once sought by the alchemists