你们一定收到了质量低劣的抽样品。

No doubt you've received the rejected samples of the inferior quality goods.

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经过几年的使用后，质量低劣的部件更用可能出现故障。

After several years of use, poor quality of components used might malfunction.

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并且，我们仍然进行着太多泛滥的失败的项目，以及质量低劣的软件。

And we are still putting up with too many overruns and failed projects, and with poor-quality software.

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