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我最近开始在 Angular Material 设计而不是 Twitter Bootstrap 中学习和构建 Angular 应用程序。快速提问，Angular Material 设计中是否有与 Bootstrap sr-only 标签等效的元素？
也许cdk-visually-hidden上课？
cdk-visually-hidden
请参阅“隐藏元素，同时保持它们可供屏幕阅读器使用”