vital interests

例句：

1. 1. The healthof the population is vital to the economy.
   人口健康对经济至关重要。
2. 2. Vital evidence was needed forthe trial.
   审判需要重要的证据。
3. 3. The plant's ability to photosynthesize is vital for survival.
   这种植物进行光合作用的能力对于生存至关重要。