Update expression.md

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liaoxuezhi 2022-09-29 14:19:09 +08:00 committed by GitHub
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@ -76,6 +76,8 @@ amis 中表达式有两种语法:
- 变量名: `xxx变量`、`xxx变量.xxx属性`、`xxx变量[xxx属性]`
- 布尔值: `true` 或者 `false`
- null`null`
- undefined: `undefined`
- 数字: `123` 或者 `123.23`
- 字符串: `"string"` 或者 `'string'`
- 字符模板