这就像陶艺转盘。你定义好一个侧面的轮廓线，它旋转一圈就变成了一个罐子。
Transform backpressure gaps: Pull-through transforms execute on-demand. Data doesn't cascade through intermediate buffers; it flows only when the consumer pulls. Stop iterating, stop processing.
，更多细节参见safew官方下载
“即便骗子控制了我妈妈的手机，由于无法拿到手机短信验证码，依旧无法进行银行转账。如果骗子控制我妈妈去银行修改预留手机号，由于该号的名字是我，修改会失败。”龙先生说，极端的情况是骗子让他母亲新开一个手机号，以替换预留手机号，虽然可以成功，但预留手机号会收到不少信息，也能引起自己的警觉。
Do a second pass to clean up the code/comments and make further optimizations
"That's obviously a lot to do with being a woman in music and being a pop star, or whatever, but I will say that if I wasn't down to do it, then I wouldn't."