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1.This card-sorting machine is very useful for organizing our office supplies.
这台卡片排序机对我们办公室的用品非常有帮助。
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2.The card-sorting machine was designed to help us sort and organize our cards.
这个卡片排序机被设计来帮助我们分类和整理我们的卡片。
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3. The card-sorting machine has become a popular tool for people who enjoy collecting stamps.
卡片排序机已经成为那些喜欢集邮的人的热门工具。