That should not, however, blind those proper doctors to the one thing, among all the claptrap, the so-called alternative does have to offer.
但是，那些哗众取宠的言论不应让合格的医生忽视一件事：那就是所谓的替代医学确实有些好处。
For example, a screen reader cannot help a blind person read informational graphic images on a Web page unless the developer has provided alternative text for those images.
例如，屏幕阅读器不能帮助盲人阅读Web页面上的信息图像，除非开发人员为那些图像提供了选择性的文本。
Adaptability: the Web structure presented to users through the UI should have an alternative approach for blind users.
适应性：通过UI呈现给用户的网站结构应该有一套替代方法来满足盲人用户的需求。
应用推荐