可见时，这类工具提示可以随光标移动。

While they are visible, they move with the cursor.

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将光标移动到文本框，会看到如图9所示的输出。

When you move the cursor onto the text box, you should see output similar to Figure 9.

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将光标移动到这个布局格式中合适的位置。

Drag the cursor to the desired location in the layout form.

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So you can think of a new line as being rolling the paper up so you're on a new line but a carriage return moves the cursor or moves that writing head all the way back to the left.

你们可以把换行想象成翻纸,把回车当做是将光标,移动到最左边。

哈佛公开课 - 计算机科学课程节选