优化：随机选基准避免最坏情况 O(n²)
黎智英欺詐案上訴得直：定罪及刑罰被撤銷，出獄時間提前
，更多细节参见夫子
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Another example: why do so many languages implicitly view the right hand as good (for instance, associating the direction right with the ethical concept of rightness) and the left hand as bad, maladroit, sinister?
在保密提交程序下，公司可以先接收监管机构的反馈并进行修改，之后相关信息才会公开。