有价值

例句：

1. 1. The book is valuable because it contains many important historical facts.
   这本书很有价值，因为它包含了许多重要的历史事实。
2. 2. The experience of traveling abroad is valuable for personal growth.
   出国旅行的经验对个人成长很有价值。
3. 3. The company's new product line has been valued at $50 million.
   该公司的新产品线估值为5亿美元。