"We don't know where they go, but they disappear for about 10 days, and then they'll come back again. And without the CCTV, we never knew that."
另据南方都市报报道，刘强东透露，他将自己的理念跟很多国外的朋友沟通后，基于对他个人的信任，他已经接到了五条大型游艇的订单，每艘船平均卖 6000 万欧元（约合人民币 4.85 亿元）。
，更多细节参见safew官方版本下载
tee() splits a stream into two branches. It seems straightforward, but the implementation requires buffering: if one branch is read faster than the other, the data must be held somewhere until the slower branch catches up.
.pipeTo(slowSink); // Buffer grows without bound