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How many years should you use a smartphone? -- The surprising answer we found by calculating.

How many years should you use a smartphone? -- The surprising answer we found by calculating.

Smartphone manufacturers urge users to upgrade every year.

Published
Level
N1
スマートフォンメーカーは毎年まいとし、ユーザーにアップグレードを促うながす。

Smartphone manufacturers urge users to upgrade every year.

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