最重要的是，不要怀疑你们拥有成就非凡之事的能力。而实现它的唯一方式，是与他人共同完成。
This is fundamentally different from Web streams' pipeThrough(), which starts actively pumping data from the source to the transform as soon as you set up the pipe. Pull semantics mean you control when processing happens, and stopping iteration stops processing.
// may be buffered in memory waiting for this branch，推荐阅读旺商聊官方下载获取更多信息
ВсеПитание и сонУход за собойОкружающее пространствоМентальное здоровьеОтношения
if (arr[j] key) {