Things now work absolutely perfectly (sort of): A user selects one item after another, and each one stays selected. The fly in the ointment is that there is no visual indication that selection is behaving differently from the norm.

• 现在似乎万无一失了（差不多），用户一个接一个地选择，每个都保持选中状态，美中不足的是没有与标准选择相区分的视觉暗示。