For example, you could use the maximum life and expiration time for each cached item to refresh cached data for specific users that need updated data.
例如，您可以使用每个缓存项的最长生命周期和过期时间来为需要更新数据的特定用户刷新缓存数据。
If you check the standard life cycle of JSF, you will find that the user normally needs to produce an event on the Web page (by clicking a button, for example) to invoke the GUI refresh.
如果研究一下JSF的标准生命周期，不难发现用户通常需要在Web页面上生成一个事件(比如，通过单击一个按钮)来调用GUI刷新。
When the world starts coming on too strong, taking a few moments to refresh your memory of the small joys in your life can bring a calmness, centering, and contentment back to your day.
这个世界变化太快冲击太多，当我们用那些生活中微小而简单的欢乐重建我们的记忆后，我们的世界就又回到了平静、自我、充实的每一天了。
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