内卷是什么意思?

{"name":"\u5185\u5377\u662f\u4ec0\u4e48\u610f\u601d?","type":"\u5bb6\u5ead\u7247","area":"\u897f\u73ed\u7259","year":"2022","lang":"\u97e9\u8bed","play":"HD\u4e2d\u5b57","type1":"\u5bb6\u5ead\u7247"}