1·That's not what we intended at all, and if it were, we would have simply cast to the bound explicitly.
那根本不是我们打算做的，如果是的话，我们完全可以显式地强制转换为界限。
2·Finally, you can index into the columns by column number and cast the results directly (for some types).
最后，可以根据列编号为这些列建立索引，并直接强制转换结果(对于某些类型)。
3·The class cast of the mock object into type Collaborator is necessary because the intercept method returns type object.
模拟对象到Collaborator类型的类强制转换十分有必要，因为intercept方法将返回类型Object。
4·To fetch elements from the collection, you had to know the type of object in the collection so you could cast it back to the appropriate local variable.
要从集合中提取元素，您必须知道集合中对象的类型，以将其强制转换为合适的局部变量。
5·The VALUES clause also includes a casting function for the user-specified value of the OID column because the value must be cast into the REFERENCE type of the target table.
values子句还为用户指定的oid列的值包括了一个casting函数，因为该值必须强制转换成目标表的REFERENCE类型。