The theory of project management tries hard for the overall cost controlofmerchandise houses around the lifecycle of the merchandise houses, not control cost only in some links.
价值工程理论着重提高商品住宅的性价比，而不是狭隘地讲求一味降低成本；
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Twitter wants to retain controlof its mark on merchandise, which is understandable, as far as the "Twitter" logo goes.
At jewelry Central, our merchandise goes through an extensive quality control process, to ensure that our customers only receive jewelry of the highest quality.