access
获取途径(名词:access to resources = 获取资源的途径,强调「有无通路」)
availability
可用性,可得性(名词:强调某物「是否存在/能被获得」的状态,偏向描述供给侧)
Improving access to affordable housing is one of the most pressing challenges facing urban policymakers today.
改善获得可负担住房的途径,是当今城市政策制定者面临的最紧迫挑战之一。
The availability of high-speed internet infrastructure remains uneven across rural and urban areas.
高速互联网基础设施的可得性在农村和城市地区之间仍不均衡。