The fuss factor adds roughness to the cave walls. Without it, caves would be smooth ellipsoids. With it, they get that jagged, natural look.
海关总署公开数据分为两大类别：其一是经过提炼的关键指标，只需从中识别突出趋势。例如中国与主要贸易对象国的交易规模、增长速率、核心商品品类，以及全国各海关辖区的进出口统计等。
。chrome对此有专业解读
The reward combines an outcome signal, a process component, a binary bonus and penalties for degenerate behavior.
Now: The good news is that writes to the in-memory store are linearizable. There’s some bad news, however. Proving linearizability of a system is usually an arduous task; I did not need to whip out TLA+ to do it here. Here it is trivially provable. Because the system is, well, a hash table with a lock in front of it.