New Words：

value ['vælju:] n. 价值；价格；重要性
valuable ['væljuəbl] adj. 有价值的；宝贵的；贵重的

Sample Sentences：

It's very good value for money.
We do not know the value of health till we lose it.

Real friendship is more valuable than money.
He bought me a valuable diamond ring as a birthday present.

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