所以全局事务上下文不需要维护事务的完整性，因为在事务里只有一个资源管理器。
Therefore, a global transaction context is not necessary to maintain transaction integrity, as there is only one resource manager within the transaction.
全局上下文是一种维护应用程序的所有阶段的方式。
The global context is a means to maintain all states for an application.
我们强烈建议，服务应设计为可避免维护会话上下文的需求。
We strongly recommend that services should be design to avoid the need to maintain session context.
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