We are thinking of having an extension built, as we now require an extra bedroom.

我们正在考虑扩建房屋，因为我们现在需要多一间卧室。

《柯林斯英汉双解大词典》

Having validators in a technology domain extension increases the value of that domain to modelers.

在技术域扩展中拥有确认器，对建模者增加了该域的价值。

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Having the database generate values for the primary key for a table (and by extension, any foreign key values for related tables) eliminates the burden from the application from having to do so.

数据库为一个表格的主键生成值(通过扩展，为相关表生成外主键)，从而将程序从这项任务的重担中解放出来。

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"What's different this time round is that instead of having one new extension every few years we will have hundreds coming out in one year, " said domain investor and blogger Michael Berkens.

BBC: New domain name endings set to shake up the net

Real announced last month that he would be leaving, despite having signed a contract extension until 2016.

CNN: 'Special One' Mourinho returns to Chelsea

Having signed a contract extension until 2012, Drogba is hoping to add to his two Premier League winners' medals and earn Champions League glory, having lost the 2008 final to Manchester United.

BBC: Drogba wants Chelsea goal record