a system or process whose workings are not understood or transparent
一个工作原理不被理解或不透明的系统或过程 (Yi ge gongzuo yuanli bu bei lijie huo bu touming de xitong huo guocheng)
"The neural network is often described as a black box because its decision-making process is not fully transparent."
"神经网络通常被描述为一个黑盒，因为其决策过程并不完全透明。" (Shenjing wangluo tongchang bei miaoshu wei yi ge hei he, yinwei qi juece guocheng bing bu wanquan touming)
feeling sad or bored for a long time
To expand a company’s operations or reach.
To not take something too seriously or literally
to forget past mistakes and start fresh
to decline suddenly and dramatically
someone who is honest and morally upright
