例如，在联系人列表案例中，contacts对象包含许多contact对象。

For example, in the contact list scenario, a contacts object contains many contact objects.

youdao

为了说明sdo的用法，我们选择了修改联系人做为用法案例。

To illustrate the use of SDOs, we have selected the use case of modifying a contact. The main steps to modifying a contact are as follows.

youdao

为了说明sdo的用法，我们选择了修改联系人做为用法案例。

To illustrate the use of SDOs, we have selected the use case of modifying a contact. The main steps to modifying a contact are as follows.

youdao