如果没有分帧机制，一端接收到的数据可能比另外一端发送的数据多或少(这会将一次写操作划分成多次操作，或者将多次写操作合并到一个读操作中)。
Without framing, a peer may receive more or less than was sent (splitting up a write or aggregating multiple writes into a single read).
我们都是一样的人，没有人能因为社会地位而理所当然的比其他人得到的多或少。
We are all human beings and no one person deserves more or less than their neighbor based on social status.
它代表之前的匹配模式重复n次或n次以上，如果没有加上问号，它会寻找尽可能多的重复次数，加上的话，则会尽可能少重复（当然也就是“重复n次”最少）。
This matches the previous expression n or more times. If it is used without a question mark, it looks for the most repetitions possible.
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