这些方法让你在不知道实现细节的同时获取了这些信息。
These methods let you extract that information while hiding the implementation details.
它不打算极力地获取信息交换的所有细节，而是作为一种帮助您了解重要交换的重要方面的机制。
It is not intended to exhaustively capture all the details of information exchange, but rather ACTS as a mechanism to help you understand the most important aspects of significant exchanges.
它获取了顺序id的细节信息并为用户显示出这些信息。
It fetches the details of the order ID and displays them for the user.
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