// 注意：slice(0, 负数)会返回空字符串，需兼容（比如stack长度<k时，slice后为空）
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，这一点在旺商聊官方下载中也有详细论述
"promoCode": "FREE_YEAR_VIP"
As usual with Samsung’s yearly refreshes, the real decision may come down to pricing and discounts. If the Galaxy S25 sees significant price cuts, it could remain the better value. But at similar prices, the Galaxy S26 is the safer long-term buy.