Since the Web site is likely to expand and change over time, we need to expend some effort up front to make the site easy to maintain.

因为Web网站将会随着时间而扩展和改变，我们需要预先做一些工作以使这个网站容易维护。

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The CLP includes both a front-end process (representing the user interface) and a back-end process to maintain a database connection.

CLP包括前端进程(表示用户界面)和后端进程，可以用它们来维护数据库连接。

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This allows for an elegant, easy to maintain, OO architecture that is pretty transparent, where you have real typed objects that travel seamlessly between the front and the back-end.

这考虑到一个优雅的、易于维护的、相当透明的OO架构，在这里你拥有真实类型的、无缝游历与前台和后天之间的对象。

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But the couple decided to maintain the traditional feeling of the home's front rooms, retaining the original tile in the vestibule and the chestnut molding in the parlor.

WSJ: The House With a Surprise Inside

Chalmers picked up four birdies, three on the front nine and one on the back, to maintain touch but also bogeyed the 17th.

CNN: Woods continues domination in Australia

Najib says only the National Front can maintain stability in Malaysia, which has long been one of Southeast Asia's most peaceful and relatively wealthier countries.

NPR: Voting Begins In Tight Malaysian National Election