- 问题详情:读写实践Someetiquette(礼仪)inmodernlifeDoyouoftenuseacellphone?Doyoutakethesubwaytoschooleveryday?Theseitemsmakeourmodernlifeeasier.Butdoyouknowhowweshouldbehaveproperlywhileusingthem?Thefollowingsuggestionsmightbehelpful.Forcellphoneusers◆Kee...
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