对列表(以及其他值序列)进行操作的两个关键函数是 first(返回第一项)和 rest(返回其余项的清单)。
Two key functions for operating on lists (and other sequences of values) are first (which returns the first item) and rest (which returns a list of the rest of the items).
根据去年公布的一项研究,这个宽泛的估计值可能会升高,因为随着年龄的增长,基因对智力的作用会越来越大。
This wide range of estimates might have arisen because genes contribute more to IQ as we get older, according to a study published last year.
此外,还定义了一些声明性方法,这些方法是对任何特定数据项的值进行更改的操作。
In addition, declarative means of acting on changes in value for any particular data item are also defined.
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