MongoDB nested queries problem: uncaught exception: SyntaxError: missing : after property id :

MongoDB nested queries problem: uncaught exception: SyntaxError: missing : after property id :

The document I'm using

为什么这个查询不起作用? my queris code doesn't work

请帮忙!!谢谢!

adresa.judet 需要用引号括起来,例如“adresa.judet”