Chapter nine provides a valuable recapitulation of the material already presented.
第9章对已经陈述过的材料进行了有价值的概括。
Many of our teachers also have valuable academic links with Heidelberg University.
我们的许多教师也和海德堡大学保持着有价值的学术联系。
The company does not accept liability for fragile, valuable or perishable articles.
公司对于易碎、贵重或易腐烂的物品不负责任。