单语范例（未经PONS编辑处理）
Old, sick and weak individuals were often regarded as unproductive and hence expendable.
en.wikipedia.org In some cases, accoutrements are expendable or written off at the time of issue.
en.wikipedia.org These make the process relatively unique compared to machined die-based and expendable mold casting methods.
en.wikipedia.org The disc would likely be several tens of meters in diameter and would fit inside existing expendable launch vehicles and be deployed after launch.
en.wikipedia.org This life is cut short by a corrupt hospital administration harvesting several of his more expendable organs.
en.wikipedia.org