这句话提到了MapReduce思想的渊源,大致意思是,MapReduce的灵感来源于函数式语言(比如Lisp)中的内置函数map和reduce。函数式语言也算是阳春白雪了,离我

Trees can also help reduce the amount of noise in the surroundings, although the effect is not as large as people like to think.树木也可以