expendable [ɪkˈspɛndəbəl]

例句:

• Once our services cease to be useful to them, we're expendable.
  一旦我们的服务对他们不再有用，我们就可能被抛弃。
  来自柯林斯例句
• The creditors have been officially declared "Expendable".
  来自WSJ
• During the recession, training budgets were seen as an expendable luxury.
  在经济衰退期间，培训预算被认为是一项可以节省下来的奢侈费用。
  
• We need such expendable supplies as pencils, ink and paper.
  我们需要象铅笔 、 墨水和纸张这样的消费品.
  
• Densmore is exemplary, but he is still expendable.
  来自NEWYORKER
• Which is why, unlike Messi, Balotelli is expendable.
  来自BBC