他们已经在这里工作了：开车、用吸尘器清理地毯以及给医院里的病人喂食。
They're already here, driving cars, vacuuming carpets and feeding hospital patients.
他们已经在这里居住了十年了。
积木已经在这里准备好了：rdf, OWL, microfor mats是他们中的一些。
The building blocks are here already: RDF, OWL, microformats are a few of them.
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