安全设计，操作舒适，人性化设计，适合长期作业。

Safe and human-centered design, comfortable and durable operation.

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他们的大儿子杰伊今年十八岁。在为家庭作业和儿子经历了长期的斗争之后，他们决定以不同的方式对待两个小儿子，11岁的斯宾塞和10岁的布列塔尼。

After waging a long war with their eldest son, Jay, now 18, over his homework, they decided to do things differently with their youngest two, Spencer, 11, and Brittany, 10.

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每个人都得应对限期问题，还在读书时，你要完成诸多作业和长期课题，工作了，坐办公室的你也许得准备做业务汇报，整理文件，为老板收集信息，或为客户处理事项。

Everyone has to deal with deadlines. When you were in school, you had homework assignments and long-term projects.

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