So to avoid a major change, the output service implementation will have to convert from the new data types to the old data types before returning them.
因此要避免重大改变,输出服务实现将在返回之前从新数据类型转变为旧数据类型。
In other words, he managed to convert an architectural element into a design element, making it something that wasn't so hard to change later.
换句话说,他设法将一个架构元素转换成了一个设计元素,使得后期更改不至于很难。
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