ADJ-GRADED 可牺牲的;可抛弃的 If you regard someone or something as expendable, you think it is acceptable to get rid of them, abandon them, or allow them to be destroyed when they are no longer needed. 可牺牲的;可抛弃的 [formal]
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。
During the recession, training budgets were seen as an expendable luxury.