a working class name
工人阶级的名字
以上为机器翻译结果，长、整句建议使用 人工翻译 。
In fact, Scala's Enumeration class supports the usual methods for working with collections, so we can easily iterate through the breeds with a for loop and filter them by name.
实际上，Scala的枚举类支持和集合协作需要的一般方法，所以我们可以简单地在循环中遍历这些种类，或者通过名字过滤它们。
youdao
Popular at first as a working-class liquid lunch, the style took on the name of its barrel-schlepping fans: porter.
WSJ: Porters Get Fresh | Half Full
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