// 易错点3：处理最终结果为空的场景（比如num="10"，k=2）
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作为中国西式快餐领域中的领先品牌，麦当劳和肯德基的市场策略，也就是当下市场风向的指引。
"You may have co-CEOs where one is an outgoing and high-level thinker, who may find it more challenging to focus on all the small tasks, and the other CEO is more detail-oriented and loves to speak to the data and the nuances," she says.
