例句：

　　Don't ever refer to it again, please.

　　請(qǐng)不要再提它了。

　　Some people refer to such modification as maturity.

　　有些人把這種變化稱為成熟。

　　They can also refer to pop culture and new cultural trends.

　　它們也可以指流行文化和新文化趨勢(shì)。