cure-all
/ˈkjʊərɔːl/noun
1- a medicine or other remedy that will supposedly cure any ailment万应灵药。
1.1
- a solution to any problem可解决一切问题的办法; 万能钥匙：
unfortunately, the new output circuitry is not a cure-all.
不幸的是, 新的输出电路不是万能钥匙。