通过拖动滑块按时间浏览可视化地图，或者按下播放按钮显示动画。

Move through the visualization in time by dragging the slider, or press the play button to show an animation.

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每个通知动画都会显示一个“关闭”按钮和“查看邮件”按钮。

Each notification animated displays a 'close' button and a 'mail' button.

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没有跳过按钮的介绍动画会让访问者在进入网站前就放弃访问。

A long intro and no skip button means this site is likely to be abandoned by most of its visitors before they get in.

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