Data transfer can be bidirectional, and the sequence of data transfer is also maintained. However, there are some limitations to the protocol.

数据传输可以是双向的，数据传输的顺序也可以保持。

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We don't need to see information about the computer's data transfer rates and its loading sequence, any more than we need information about the customer service agent 's unhappy love affair.

我们也不需要看到计算机的数据传输率和它的加载顺序，就像我们不需要知道客户服务代表不愉快的情感故事一样。

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