Later, when he heard the news that Qin had defeated the State of Chu, he was full of grief and felt that he had no power to save his motherland, so he drowned himself in the Miluo River.
后来，他听到楚国被秦国打败的消息，非常悲痛，感到自己已经没有力量拯救祖国，就跳进汨罗江自杀了。
The first time an object is sent to a client, it must include a full state snapshot, but subsequent updates can save on bandwidth by including only incremental changes.
如果是第一次发送给客户端，必须要包含所有状态的数据，后续的更新只需要包含增量的修改，以节省带宽。
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