// intersection: contains both "cat" and "dog", 5-15 chars
真正开始准备时，她才意识到事情没那么简单。
，详情可参考新收录的资料
pub fn new_user_email(email: Email) -> Result(UserEmail, Nil) {，详情可参考新收录的资料
Lionesses untroubled in victory at City Ground
// Can be any thing here that writes into the view