“至于产品组合的复杂度，我要区分两个层面：精简重叠，但向上扩张。 比如凯宴有燃油版和电动版，造成重复投资——这是要精简的。但在更高价位段，我们看到了增长机会——这是要扩张的。”
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Most of the cordless models you’ll find today have stick designs, with a handle at the top attached to a debris bin, which has a space to connect different attachments at one end. These designs are more versatile than old-school, upright vacuums of yesteryear because, while you may use the long stick attachment most of the time to clean your floors, many cordless vacuums come with other attachments as well. Some allow you to clean hard to reach spaces like the interior of your car, while others make it easier to vacuum furniture and clean up inside crevices.
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2025年，美国标普500指数累计上涨17.25%，纳斯达克指数累计上涨21.27%，道琼斯工业平均指数上涨13.69%。由小盘股构成的罗素2000指数2025年累积涨幅为12.13%，连续第五年跑输标普500指数。美股七大权重科技股（苹果、微软、谷歌、亚马逊、英伟达、特斯拉、Meta）2025年上涨25.81%。权重科技股和人工智能题材股在2025年是推动美国股市继续走高的主要力量。