但是，这么做通常是不好的做法：它要求名称总被括在双引号中，很容易把维护代码的其他人弄糊涂。
Doing this, however, is generally a bad practice: It requires the name to always be enclosed in double quotation marks and can easily confuse someone else who may be maintaining your code.
在 makePieSeries 函数中的大多数代码都用于创建标签，此标签将显示浏览器的名称、有多少次点击以及总点击率。
Most of the code in the makePieSeries function is for creating a label that will show the name of the browser, how many hits, and the percentage of total hits.
将SYSCATSPACE和TEMPSPACE1(这里是默认名称，可以改变)的总大小增加为目前的两倍。
Increase the total size of SYSCATSPACE and TEMPSPACE1 (which is the default name and can be changed) to twice the current value.
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