One Saturday, a 16-year-old hauled a heavy, three-foot tube into the middle of a large field in Wisconsin.
他背对着我们，说：“好，好，我过去坐坐。”
。关于这个话题，safew官方版本下载提供了深入分析
const input = Stream.pull(source, transform1, transform2);
is vague enough that I cannot give a definitive reason for its limited success,