const concat = (...arrays) = {
const n = nums.length;
。关于这个话题，Line官方版本下载提供了深入分析
takes an array of length n and produces an array of length n
Beth Gardiner is right to argue that plastic is not merely a recycling failure (‘They pushed so many lies about recycling’: the fight to stop big oil pumping billions more into plastics, 19 February). It is something far more consequential: an oil growth strategy.