In contrast, if you take a moment to identify the stable relationship in your object model, then you can derive a more stable vocabulary at minimal cost.

相反，如果花点时间确定对象模型中稳定的关系，那么可以用最小的代价派生出更稳定的词汇表。

youdao

You need to make changes to the comment to capture the belongs_to relationship and write the new migration. Listing 11 shows the model object and new migration.

需要对评论进行修改，捕捉belongs _ to关系，并编写新的迁移。

youdao

Another type of mapping is when a table might have a one-to-one relationship but your object model only has one object.

另一映射类型是，表可能有一对一关系，但对象模型只有一个对象。

youdao