使用商业软件包的最大好处是，有一个预先建立的用于处理备份的策略，您可以立即投入工作。
The biggest benefit you will gain from using a commercial package is a pre-built strategy for handling backups that you can just put to work.
需要大量的预先资本投入和很好的提前计划过程来提前获得基础设施。
Large up-front capital commitment and a well-in-advance planning process are required to procure the infrastructure in advance.
在页面投入使用前后都可以决定关键词，但建议您预先做好这一工作，这样就不必重写页面上的文本。
You can determine your keywords before or after the page is live, although I recommend doing it beforehand so you don't need to rewrite the text on your page.
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