In this essay, some punctuations and capitals have been left out.
在这篇文章里,一些标点和大写字母已经不在了。
Some of the code details have been left out (but appear in earlier examples).
已删除了某些代码的细节(但前面的示例中已有)。
Note that namespaces have been left out, leaving only the prefixes for clarity.
请注意,为了清楚起见,已省去命名空间,仅保留了前缀。
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