我们如何处理那些同一下的其他标签引用的只读操作？
How will we handle those read-only operations referenced by other tags under the same? We have three options?
使用眼球追踪设备，来自明尼苏达州的研究人员还发现，一般消费者只读食品成分标签的上半部分。
Using an eye-tracking device, researchers from Minnesota also found that the average consumer only reads the top part of a food content label.
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