为了完成本文中的各个操作步骤，您需要。

To complete the steps in this tutorial you need.

youdao

在下面的服务操作设计原则中，我们将讨论各个操作的设计。

We will discuss the design of individual operations in the section Service operation design Principles, below.

youdao

各个操作接口将非常简单，且易于理解，从而提高了易用性。

The individual operation interfaces will be simple and easy to understand, hence increasing consumability.

youdao