The short form string should include each valid option letter, followed by a colon (:) to indicate that the command line option should be followed by a value.

短形式字符串应该包含每个有效的选项字母，每个字母后面是一个冒号 (:)，这表示命令行选项后面应该是一个值。

youdao

Only single-character options are accepted; each character in the string represents an option that is known to the program.

只能接受单个字符的选项；字符串中的每个字符代表程序已知的一个选项。

youdao

With this cipher option String approach, there is no type-safety to ensure you're using valid options.

这种字符串方式的cipher选项，并没有类型安全以确保你正在用有效的选项。

youdao