value的名词
Value 的名词是它本身：value
n.（商品）价值；（与价格相比的）值，划算程度；用途；积极作用
例句：
The ring wasn't worth very much but it had great sentimental value.
那枚戒指值不了几个钱，但却极有情感价值。
The winner will receive a prize to the value of £1,000.
获胜者将得到价值为 1000 英镑的奖项。
In fact, conflicts can promote individual development and thus has a positive value for development at a deep level.
实质上，它可以促进个体的发展，蕴含着深层次的发展性的积极作用。
