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。
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。
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。
Buffett's first lesson came from observing the former CEO's errors-don't put good money into a bad business, even if it's the business you are in.
通过观察该公司前任首席执行官的错误，巴菲特获得了第一个教训：绝不要将有用的钱投到糟糕的业务上，哪怕这是你的本业。
Buffett's first lesson came from observing the former CEO's errors-don't put good money into a bad business, even if it's the business you are in.
通过观察该公司前任首席执行官的错误，巴菲特获得了第一个教训：绝不要将有用的钱投到糟糕的业务上，哪怕这是你的本业。
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