While sections can be used to render text one or more times based on the value of the key, inverted sections may render text once based on the inversevalue of the key.
就象小节会根据键的值将渲染内容渲染一次或者多次，一个反转的小节会在值相反的情况下渲染文本内容一次。
2
Inverse functional: Two different individuals cannot have the same value.
反转功能的：两个不同个体不能拥有相同的值。
3
Formatting converts the value of a type into a string representation; parsing, the inverse of formatting, creates a data type from a string representation.