availability [əˌveləˈbɪlətɪ]

例句:

• The nature and availability of material evidence was not to be discussed.
  实质性证据的性质和可用性毋庸讨论。
  
• The availability of nursery school places varies widely across London.
  伦敦幼儿园的分布非常不均衡。
  
• One area of contention is the availability of nursery care.
  争论的一个方面是提供幼儿保育的可能性。
  
• The coming crisis threatens both food accessibility and availability.
  来自VOA
• We should not worry about the availability of resources.
  来自VOA
• It also assessed the availability of pain-relieving drugs worldwide.
  来自VOA