为图表副标题、标签和图例指定字体。

Specifies font for chart subtitle, labels, and legend.

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我们使用一个标题、一个描述性的副标题、x和y标签设置了一个图表，将图例放在了底部，并对两个数据集使用标签。

We've set up the chart with a title, a descriptive subtitle, X and Y labels, placed the chart legend at the bottom, and labeled the two data sets.

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title 和 description 与我们在生成图表时用于标题和副标题的内容相同。

The title and description are the same as the ones we used for title and subtitle when generating the chart.

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