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As you can see, there are no special characters to denote a variable.
可以看到,表示变量并不需要任何特殊的字符。
youdao
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The name can include letters and Numbers only - no special characters.
名称可以包括字母和数字,不能使用特俗字符。
youdao
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The name can include letters and Numbers only - no special characters.
名称可以包括字母和数字,不能使用特俗字符。
youdao