I'm not sure that this is the most valuable use of my time.
我不能肯定我的时间这样来安排最有价值。
These measures would make a valuable contribution towards reducing industrial accidents.
这些措施将会对减少工业事故起重要的作用。
The book provides valuable information on recent trends.
此书就近来的发展趋势提供了宝贵的信息。
Our experience as refugees taught us many valuable lessons.
我们流亡的`经历给了我们许多宝贵的教训。
He gained valuable experience whilst working on the project.
从事这项工程使他获得了宝贵的经验。