# ready 42.0 MiB
Helps users improve vocabulary
，这一点在旺商聊官方下载中也有详细论述
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.，更多细节参见同城约会
The NHS: Menopause，推荐阅读im钱包官方下载获取更多信息