我们还需要表示我们了解基本功能设计问题，特别是数据库规模设计和性能考虑。

We also need to show that we understand fundamental capacity planning issues, in particular both database sizing and performance considerations.

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并阐述系统的结构设计和功能设计，实现浏览旅游网站的基本功能。

And on the structure of the system design and function design, visit the realization of the basic functions of the travel Web site.

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