The TradeRequest class contains the following properties, Symbol, # shares, price, OrderType, AccountName, action (buy/sell), requestid, and user name.

TradeRequest类包括以下属性，股票代码、分红、价格、订单类型、帐号名称、操作（买入或卖出)、requestid以及用户名。

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Each Stock has three properties - symbol, name, and price -and convenience methods to convert itself into either an XML string or a JSON string.

每个Stock都有三个属性—symbol、name和price—和几个便捷的方法，以便将其自己转换成xml字符串或JSON字符串。

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Having programmed with Emacs Lisp, which supports symbol-associated properties, I am excited about Perl 6 properties, which do something very similar.

由于曾经使用支持关联符号属性(properties)的Emacs Lisp进行过编程，所以我为Perl 6属性而感到兴奋，它可以做极其类似的事情。

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