全球用户认为4G足够运营商身陷5G投资赔本：华为竞争对手爱立信 …

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全球用户认为4G足够运营商身陷5G投资赔本：华为竞争对手爱立信 … 快科技

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XingKao is the founder and chief editor of Dealsprofile.com. He has decades of expertise as both a committed writer and WordPress developer.