Our current design does not support order cancellation, so we must first add a Canceled state to the business state machine.
我们当前的设计不支持订单取消，因此必须首先向业务状态机添加一个Canceled状态。
And to be totally honest, it's not only about age - there are also other problems with our current design, especially navigational ones.
老实说，当前设计也还面对其它问题，尤其是网站导航这一方面的问题。
However, doing so does not fit the current design of our sample code.
但这样做不适合我们的样本代码当前的设计。
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