To understand recursion, one must first understand recursion.
要理解递归,首先必须理解递归。
愉快是健康的最佳促进者,对心灵和身体同样友好。
"The only limit to our realization of tomorrow is our doubts of today."
环境对不同观察者会显得不同,这取决于他们准备看到什么。
Data-driven decisions lead to smarter, more efficient operations.
人们都认为自己是对的。
I don't like debt. Companies with a lot of debt are riskier.