参数能通过参考量或是值传递,并能使用你选择的名字。
The parameter can be passed by reference or by value, and can have any name you choose.
其他所有属性都是可选的或是有适当的默认值。
All other properties are either optional or have a suitable default value.
这里E4X提供者支持的唯一参数是type,它的值可以是body或是envelope。
The only parameter that the E4X provider supports is type, which can either be body or envelope.
Saying, well, the market on average will go up a little bit, or go down a little bit.
导致了股票价格的浮动值不同,基本上股市平均是向上增长的或是向下跌了。
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