那家公司给我们做了一个如何操作系统方面的演示后，开始接受我们的提问。
The company gave us a presentation on how the new system worked. Afterwards, the employees got a chance to ask questions.
那家公司给我们做了一个如何操作系统方面的演示后，开始接受我们的提问。
The company gave us a presentation on how the new system worked. Afterwards, the employees got a chance to ask questions.
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