Method chaining and function-literal shorthands , as in this example , can take some getting used to , but once you are comfortable with them , they yield very readable code with minimal use of temporary variables .

这个例子里的连锁方法（methodchaining）和简写字面函数需要花一些时间来习惯，但是一旦你熟悉了它们，他们用最少的临时变量来产生可读性很高的代码。