对于给定的字符串"That’s why we need to remain vigilant in rationally calculating the future effects of big choices, says science writer Steven Johnson. In Farsighted: How We Make the Decisions That Matter the Most, Johnson reminds us that “the ability to make deliberative, long-term decisions is one of the few truly unique characteristics of Homo sapiens”—and we’re actually getting better at it."，（1）去掉所有非字符；（2）将非人名地名的单词转换为小写；（3）去掉at, in, on, is, it, of, the, this, that, us, to, we, are, I等单词；（4）将完成以上操作的单词以空格隔开，组成一个新的字符串。
哪位朋友能教教懵逼的大一新生吗