I'm not sure that this is the most valuable use of my time.

　　我不能肯定我的時(shí)間這樣來(lái)安排最有價(jià)值。

　　These measures would make a valuable contribution towards reducing industrial accidents.

　　這些措施將會(huì )對減少工業(yè)事故起重要的作用。

　　The book provides valuable information on recent trends.

　　此書(shū)就近來(lái)的發(fā)展趨勢提供了寶貴的信息。

　　Our experience as refugees taught us many valuable lessons.

　　我們流亡的經(jīng)歷給了我們許多寶貴的教訓。

　　He gained valuable experience whilst working on the project.

　　從事這項工程使他獲得了寶貴的經(jīng)驗。