Stream-oriented operators provide resiliency to imperfections in datastreams, caused by out-of-order or delayed data arrivals, both of which occur frequently in real-world scenarios.

• 面向流的操作符对数据流中因次序破坏或数据达到的延误造成的破坏提供了弹性，而这两种情况在现实世界中是经常发生的。