2. 不改变已有字段/接口语义
This ultra-portable laptop weighs just 3.2 pounds, so it’s easy to throw in your bag and take it along anywhere. 64GB eMMC storage makes it easy to keep your important files stored locally, and you’ll have a built-in webcam, microphone, and integrated speakers available for hopping on quick meetings.
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Created by the Connectivity Standards Alliance (CSA), Samsung calls Aliro an "industry-standardized communication protocol." The Digital Home Key will also get support from smart lock brands like Nuki and Schlage. It's also designed to meet EAL6+ security certification.
具体表现为三个方面：一是高端供给不足，在奢侈品消费、高端医疗、优质教育等领域，国内供给的品质和服务水平仍与国际先进水平存在差距，导致大量消费需求外流；二是中端供给同质化严重，多数企业聚焦于中低端市场，产品设计、功能配置、服务体验趋于雷同，缺乏差异化竞争优势，难以满足消费者个性化、多元化的需求；三是低端供给质量参差不齐，部分中小微企业缺乏质量管控意识，产品质量与安全标准不达标，损害了消费者权益，也影响了整体消费市场的信任度。
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