While PortletSession is convenient to use from a programmer's perspective, it requires resources for managing sessions from an application server perspective.

从程序员的角度而言，PortletSession使用很方便，但从应用程序服务器的角度而言，管理会话需要使用资源。

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The other control group attended three informational sessions about managing their diabetes.

另一组参加三次关于处理糖尿病的信息会议。

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"Signal didn't do a good enough job managing the training sessions, " says a person close to the situation.

FORBES: Labor Unrest