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- 問題詳情：Mobilephonesareeverywhereandsometimestheycanbeveryannoying.Mostpublicplaceshavemobilephonerules.Sotrytokeepyourphoneringeraslowaspossibleorputitonvibrationmode（震動模式）inpublic.Agoodtimetoleaveyourphoneathomewouldbeatschoolorwhenvisitingahospi...
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