After sorting and unique-ifying the link list, printing out the suggested links is straightforward.

对链接列表进行排序和惟一化(unique - ifying)之后，将建议链接直接打印输出。

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“Game-ifying” a real-world system still requires more than just adding avatars and points. It requires fast, personalized feedback.

将现实世界这个系统“游戏化”需要的不仅仅是添加一个头像和分数，还需要快速且个性化的反馈。

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