大约20分钟后，17位村民陆续涌到山沟里，将那头牛五花大绑，横竖穿插了三根木桩，再在牛身上绑两条长绳，绳头各自由几个男人牵引往上拽。为确保每个人都能搭把手，男人们之间挤得密密实实，以至于我都看不见被围在中间的牛。
In his Matching Soulmates paper in the journal of Public Economic Theory, everyone is in a computer simulated dating pool, where thousands of digitally created daters rank each other. His algorithm picks "first‑order soulmates": pairs who choose each other in a stable matching. It removes them, and runs it again with those left, and you get second‑order soulmates, and so on.
，这一点在搜狗输入法下载中也有详细论述
Stream.pull() creates a lazy pipeline. The compress and encrypt transforms don't run until you start iterating output. Each iteration pulls data through the pipeline on demand.
4. Turn your service into a product