describing inventions (D7)

實惠 You can buy something with no problem

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創新 A new idea, an invention

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拯救生命 something that stops you dying

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拯救生命 very strong, full of power!

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實際 doing stuff with your hands not just thinking or talking about it

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重要 Important, large

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節省時間 something that gives you extra hours or minutes, something that makes something quicker/easier

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用戶友好 when something is easy to understand the first time you look at it eg social media

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