This overhead is mandated by the spec's reliance on promises for buffer management, completion, and backpressure signals. While some of it is implementation-specific, much of it is unavoidable if you're following the spec as written. For high-frequency streaming – video frames, network packets, real-time data – this overhead is significant.
集市上，人物形形色色。有一次，冬从集上回来，绘声绘色地给我讲了件遇到的事：在集市尽头的白沙河桥下，停着一辆灰色面包车，车旁围着一群人，每个人都拎着一个大黑塑料袋，里面鼓鼓的装着什么，一些人手里举着钞票。冬很好奇，凑过去看热闹，结果被人群外围放哨的两个男人劝离。冬蹲在地上，假装系鞋带，听到他们在争相竞价。冬转了一圈回来，看见拎着黑塑料袋的人们愣在原地，盯着扬长而去的面包车，久久缓不过神来。他们彼此打听对方的出价，有人说四百，有人说三百，有人咬着牙根不说。冬问他们买的什么，他们支支吾吾地说，厨具。
，更多细节参见同城约会
Those with growth-based views, Carroll argues, still want something special, but expect rough patches. "They ask… what can they do to make their relationship better, have improvement and have growth?"
class Storage {
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