这还不简单?原来你在啊.其实就那么几点啊,然后在线翻译器,翻译一下不就完事了?这还难么?
1highschoolstudentshaveacertainautonomyandtheabilitytoprotectthemselves,butdonothavetheeconomiccapacityofholdingmobilephoneanduseneeds,fromtheeconomicconsiderationscanbeavoided,primaryandjuniorhighschoolstudentsbecauseoftheprotectionoftheirabilityandself-controlabilityispoor(suchaslost,amobilephonesidebodywouldbemoreconvenient,andhighschoolstudents,thatatleastisnotlost?Andhighschoollearningtasksarerelativelyheavy,hadbetternotequippedwithmobilephone)
2highschoolstudentsabuseofmobilephonewillaffectthelearningfocus,concentratedforceetc.,
3willcausethestudentscomparementality,