While it is usually best to include visual labels for all form controls, there are situations where a visual label is not needed due to the surrounding textual description of the control and/or the content the control contains. Users of screen readers, however, need each form control to be explicitly labeled so the intent of the control is well understood when navigated to directly.
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盤點近年來落馬的邊疆高官：寧夏回族自治區前主席劉慧（回族）於去年7月被查；西藏自治區前主席齊扎拉（藏族）於去年1月落馬，前書記吳英傑也於此前落網；在內蒙古，更是出現了自治區原黨委書記孫紹騁與原主席王莉霞（蒙古族）雙雙落馬的塌方式腐敗。這意味著，中國五大自治區（新疆、內蒙、寧夏、廣西、西藏）的地方政府一把手，已在此輪反腐中無一幸免，實現了某種意義上的「全覆蓋」。，这一点在谷歌中也有详细论述
// Correct: handle both