The goal with validation is to avoid some simple errors, such as trying to put a NULL into a field that doesn't accept them.

验证的目标就是要避免一些简单错误，例如尝试将 NULL 放入不接受这种值的字段。

youdao

Grammatical errors show that you didn't put much time into your business E-mail and you probably don't care much about your message.

语法错误说明你没有在商务电邮上下多少功夫，而且你很可能不太在乎你所传达的信息。

youdao

Create a directory called "errors", for example, and put your custom 403 message into that.

例如，创建一个称为“错误”的目录，并且将你的自定义403信息放到这个目录。

youdao