Most variables and functions should start with a lower case letter.

大多数变量和函数应以小写字母开头。

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Maybe you typed a capital letter where you should have typed a lower case letter.

也许您把应该小写的字母打成大写了。

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Class names and constants in module scope should be capitalized, while method names and variables should start with a lower case letter.

类名和模块中的常量的第一个字母应该大写，而方法名和变量应该开始用小写字母。

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