db4o在运行时比开发时为开发人员提供了更多的信息，因此，db4o能更巧妙地完成的工作，只有当真正需要对象时才装载它们。
Db4o has more information at runtime than developers have at development time, so it can do a smart job and only load the objects that are really needed.
你笑我越爱越当真所以才越来越愚蠢。
You smile me more love more seriously so more and more foolish.
你有多少次盼望有几个月的度假时光，结果当真的有了，才过头三天你就发现已经在梦想回家了？
How many times have you looked forward for months to a holiday only to find that on day three you're already dreaming of your own bed?
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