如果没有可用的正确值，则会警告用户。

If no correct value was available, the user would have been warned at this point.

youdao

对于输入参数，提供具有正确数据类型的正确值。

For input parameters, provide a proper value with the correct data type.

youdao

将消息传递引擎集群添加到总线，并将数据库模式设置为正确值。

Add the messaging engine cluster to the bus and set the database schema to the correct value.

youdao

First of all, having read in that value, I can check to see, is it of the right type?

首先，读一下这个值，我们可以来检查看看是不是正确的类型？

麻省理工公开课 - 计算机科学及编程导论课程节选

n I know this is okay because I'm not using n until I myself put something there.

我知道这是正确的因为我不会使用,直到我给它赋值了。

哈佛公开课 - 计算机科学课程节选

The format is the same. I'm going to ask for some input, and then I am going to use that procedure to check, is this the right type of value. And I'm trying to use that to do the coercion if you like. Same thing if it works, I'm going to skip that, if it not, it's going to throw the exception.

格式是一样的，我需要一些输入,然后我要用一个过程来检查,是否是正确的值,然后你就可以做强制转换了,如果能运行，那是一样的，我打算跳过这段，如果不正确，那就会抛出一个异常。

麻省理工公开课 - 计算机科学及编程导论课程节选