BlackBerry is making its latest attempt to regain its once-trusted place in the pockets of the business user with an unusual square-shaped smartphone designed for reading spreadsheets and documents.
黑莓(BlackBerry)发布了一款外形独特的方屏智能手机，该手机专为读取电子表格和文档而设计，这是黑莓重获商业用户信赖的最新尝试。
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