当您第一次部署一个应用程序时，您通常拥有能够测试和调整应用程序而免受生产流量干扰的便利。
When deploying an application for the first time, you generally have the luxury of being able to test and tweak without the burden of production traffic.
您的生命只有一次，所以健康是您所拥有的最有价值的资产。
You can live only once. Your health is the most valuable asset you have.
当您下一次从快取要求该项目时，如果该项目已经不存在快取中，就可以将更新版本重新加入快取，以确保您拥有最新的资料。
The next time you request that item from the cache, if it is not in the cache, you can re-add the updated version to the cache and be assured that you have the latest data.
当您下一次从快取要求该项目时，如果该项目已经不存在快取中，就可以将更新版本重新加入快取，以确保您拥有最新的资料。
The next time you request that item from the cache, if it is not in the cache, you can re-add the updated version to the cache and be assured that you have the latest data.
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