MacKay first observed this effect on the wallboard of a BBC studio: the broadcasting staff had been annoyed by illusory shadows running up and down blank strips between columns of parallel lines.

麦凯是在BBC的一个录音室里第一次看到这个效果的：那位正在播音的职员被平行线柱上线条空白间上下跳动的阴影错觉搞得很不耐烦。

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When running on my localhost the map is only showing a small portion around Alaska and British Columbia but the rest is blank.

当运行在我的本地地图只显示一小部分在阿拉斯加省和不列颠哥伦比亚省，其余的是空白的。

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Every 20 meters along the way there is a guard on duty; there are a lot of LSPCB even blank lines running.

沿途每隔20米就有一位值勤的卫兵，有不少光感力输送带竟然空行运转。

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