持久性对象应该总是保留在操作它们的业务对象的本地。
Persistent objects should ALWAYS remain local to the business object that operates on them.
不过，美国国际集团已表示，可能保留该业务的部分股权。
However, AIG has indicated it could retain a stake in this business.
业务组件处理程序必须保留一个具体业务组件标识符的标识符。
What must be retained by the business component handler is the identifier of a concrete business component identifier.
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