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Problem

Definition: something that causes difficulty, something that is wrong or needs to be solved. Examples: There are many problems that we need […]

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Understand

Definition: to know the meaning of something or what someone is saying, know how something works or know what happens. Examples: It […]

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Computer

Definition: a machine that helps people work, learn, and use information. Examples:I use a computer to do my homework.Computers can help people […]