为了每小时挣20便士，他整天站在旋转的生产线旁，用手肘做着同样的微小机械动作，天天如此。

He stood at a whirring line all day, every day, making the same tiny mechanical motion with his wrist, for 20 pence an hour.

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气球状的圆圈代表状态，圆圈间的箭头线代表转移，它会被标以事件和动作。

Balloons represent states, and arrows between them represent transitions, which are labeled with events and actions.

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基于此编辑动作，定义和向所选中的节点应用某种样式(例如，修改颜色、为文本加删除线等)。

Define and apply a style to a selected node based on the edit action (for example, change color, strikethrough text, and so on).

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