Both custom action code and XML schema have to be packaged in a single jar, for example, emailAction. Jar.

自定义动作节点和XML schema文件都需要打包在单独的jar文件中，比方说emailaction . jar。

youdao

But packaged foods have labels, and this is made possible because of government action taken some years ago.

但包装食品的食品标签可以告诉我们这些,这得益于几年前的政府措施

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选