great value的用法和樣例：
例句
- But in fact sports and games can be of great value, especially to people who work with their brains most of the day.
但實際上，體育運動對人們益處很大，特別是對那些一天大部分時間從事腦力勞動的人類說，更是這樣。 - The great value of Jack as a committee man is that he is always on the ball.
作為一名委員，傑克的巨大作用是始終保持警惕。 - These stamps have great value because of their rarity.
這些罕見的郵票非常珍貴。 - This book will be of great value to him in his study.
這本書將對他的研究有很大價值。
