改进公司的信息技术硬件和软件已被证明是提高在电脑上工作的员工效率的有效方法。

Improvements in a firm's information technology hardware and software are a proven way to increase the efficiency of employees who do the majority of their work on computers.

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他们正在做什么？他们在电脑上工作。

What are they doing? They 're working on the computer.

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例如，如果我们在电脑上工作太久，我们可能会头疼或眼睛酸痛。

For instance, if we work on computers too long, we may get headaches or sore eyes.

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