Some forethought and preparation is necessary before you embark on the project.

你着手进行这个项目之前必须有所考虑，有所准备。

《牛津词典》

Any of these parties may call for evaluation at any stage of a project if deemed necessary.

这些方面的任何一方如果认为需要，可要求在某一项目的任何阶段进行评价。

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Next, add the necessary dependencies to the project.

接下来，向项目添加需要的附件。

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Supporters say that the project is necessary to guard against droughts and the influx of new citizens who will increase the demand for fresh water.

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And one of the principal subjects of that conversation was the effort that President Napolitano was undertaking to help forge the type of Italian response and the type of Italian government that could project the confidence necessary to deal with the challenges in Italy and the eurozone.

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We should have adjusted our exchange rate within the ERM to a more realistic one, just as every other country entering the project had done when necessary.

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