vision frequency range

例句：

1. 1. She had a clear vision of thefuture.
   她对未来有清晰的认识。
2. 2. The scientist's vision was to cure cancer.
   这位科学家的愿景是治愈癌症。
3. 3. The artist's vision is to bring beauty toeveryday life.
   这位艺术家的愿景是将美丽带给日常生活。