The second difference is more subtle.
第二处不同更为微妙。
The second difference is related to the first.
第二个不同点是与第一个相关的。
The second difference is more subtle: The CHAR type is always the length you specify.
第二个区别比较微妙:CHAR 类型的长度总是指定的长度。
So for instance, immediately you read "The pig is eager to eat" versus "The pig is easy to eat" and in a fraction of a second you know there's an important difference.
例如,你快速的阅读了"猪想吃东西",和"猪肉容易吃"这两句话,你在一瞬间就会懂得,这两句话之间是有很大区别的
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