All the preparatory work has been completed.

各项准备工作均已就绪。

《新英汉大辞典》

Some initial work has been completed but much more work is needed before a public release can be expected.

一些初期的工作已经完成了但是很多工作需要在公开发布之前被添加。

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A summary activity can be used as a milestone since it would indicate that all of the underlying detailed work has been completed.

活动可以用来作为里程碑，因为它可以指示所有底层的详细活动已经完成。

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Work has been completed on a massive warehouse construction project which will create 230 new jobs in Sunderland.

BBC: Inside the Vantec warehouse

Now the decontamination work has been completed, Harrow Estates will tidy up the site and put in boreholes.

BBC: Work to decontaminate Hauxton site completed

Work has now been completed to realign and level a dozen collapsed gravestones and control overgrown vegetation.

BBC: Beverley Minster churchyard opens to the public