There is a significant effort required to individually check each and every GUI element for compliance, and very few development shops have access to assistivedevices for testing.
要逐个检查每个GUI元素是否符合要求需要付出很多努力，而很少有软件开发公司对辅助设备进行过测试。
2
Fortunately, the same computer interface that poses such an obstacle can also be made to facilitate the interaction of assistivedevices.
幸运的是，可以将造成这类困扰的计算机界面设计为便于和辅助设备交互。
3
ensure early identification and treatment of those with disabilities, including the provision of assistivedevices and environmental modifications;