Notice that this version even makes use of recursiveness in itself, calling itself twice, once to sort the left-hand side of the list, and once again to sort the right-hand side of the list.
注意，此版本甚至可以在循环自身中使用递归，两次调用循环本身，一次用于对列表左手边的内容进行排序，另一次对列表右手边的内容进行排序。
The third element is taken by calling the CDR on the list twice and calling car on the final list.
通过对列表两次调用cdr并对得到的列表调用car获取第三个元素。
Twice in the past year, the Emir of Kano has launched two immunization campaigns by standing in front of the state's media, vaccinating his grandson, and calling on Kano's citizens to do the same.
在过去一年中，卡诺埃米尔已两次发动了计划免疫活动，他出现在国家媒体的面前，为他的孙子接种疫苗，并要求卡诺的公民效仿。
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