- 问题详情:Mobilephonesareeverywhereandsometimestheycanbeveryannoying.Mostpublicplaceshavemobilephonerules.Sotrytokeepyourphoneringeraslowaspossibleorputitonvibrationmode(震动模式)inpublic.Agoodtimetoleaveyourphoneathomewouldbeatschoolorwhenvisitingahospi...
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