behind the surface; the underlying mechanism or system
表面之下; 基本机制或系统 (biaomian zhi xia; jiben jixie huo xitong)
"Developers love to see what’s under the hood of a new app."
"开发人员喜欢看到新应用的引擎盖下是什么。" (kaifa renyuan xihuan kandao xin yingyong de **yinqing gai xia** shi shenme)
to hide evidence of one’s actions
to clearly describe an inspiring future goal
to reduce the amount of something
someone’s real character or intentions
the trend of social media personalities promoting products o...
to reduce the time needed for something
