如果您在开发阶段加入这种类型的约束，在运行的时候模式验证器就会拒绝无效数据。

If you add this type of constraint at development time, the schema validator will reject the invalid data at runtime.

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我们需要在服务器上进行重新检查，或者至少确保我们已经预料到了由无效数据类型引起的异常。

We would need to do some rechecking on the server, or at least ensure we've anticipated exceptions due to invalid data types.

youdao

在用户选择的新闻类型无效的情况下，模型将返回一个错误代码，而不是返回标题。

In case the user's choice of news type was invalid, the model would return an error code, rather than the headlines.

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