behind closed doors - 〔話し合いなどが〕密室で、秘密[秘密裏]に
From WSJ - Why Apple Rival Samsung Also Wins If iPhone X Is a Hit
Employees at the iPhone maker are often critical of its rival’s devices, pointing out software and hardware flaws behind closed doors.
behind closed doors - 〔話し合いなどが〕密室で、秘密[秘密裏]に
From WSJ - Why Apple Rival Samsung Also Wins If iPhone X Is a Hit
Employees at the iPhone maker are often critical of its rival’s devices, pointing out software and hardware flaws behind closed doors.