'Need' refers to something that is necessary or essential for survival, well-being, or fulfilling a specific purpose. It implies a requirement or essentiality. On the other hand, 'want' conveys a desire for something that is not necessarily essential for survival or immediate well-being. It represents a preference or a non-essential desire. Needs are typically more important and have higher priority, while wants are more flexible and dependent on personal preferences or desires.
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'Want' refers to a personal desire rather than an urgent and necessary requirement.
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As the second clause suggests, 'need' refers to necessity of a new car.
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