swap(&arr[0], &arr[i]); // 堆顶(最大)换到末尾
夕阳西下，稻田里洒满金色余晖，收割机依然在忙碌。达博站在田边望向这片充满生机的土地，脸上洋溢着笑容：“我一度想放弃农场，但现在我看到了希望。”中国技术与非洲沃土的这场“握手”，孕育着一个粮食丰收、充满希望的明天。
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习近平总书记强调，坚持统筹发展和安全，坚持发展和安全并重，实现高质量发展和高水平安全的良性互动。要始终坚持总书记关于统筹发展和安全的重要论述，把握数据安全与数据价值释放的关系，二者并非简单的成本与收益对立，而是相辅相成、有机统一的整体。
It's been weeks since their parents' passing, so the stab of loss is not as sharp. Instead, the twins get to enjoy the easy comfort of each other's company. Like Jeff and Emily, they share an aesthetic. But it's far from preppy; instead they favor leather jackets and streetwear with an aspirational sense of chill. Whether chatting in the car, getting a coffee, or looking over childhood photos, they are at ease. Where the other families all showed a need to perform for each other, these twins have a connection so deep that it predates birth. They swear that even over oceans, they can sense when the other is getting sick or getting high.