On the other hand, many services are built with a somewhat generic interface: one string goes in and one string comes out, or plain binary objects are exchanged.
另一方面，很多服务均使用通用接口构建：一个字符串传入，另一个字符串传出，或者交换纯二进制对象。
On the other hand, many services are built with a somewhat generic interface: one string goes in and one string comes out, or plain binary objects are exchanged.
另一方面，很多服务均使用通用接口构建：一个字符串传入，另一个字符串传出，或者交换纯二进制对象。
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