Update, February 26, 2026, 1:16PM PT: This story was updated to specify that Meta’s internal estimates around ad revenue included scams and banned products.
I love being a parent. The thing I find most fascinating about the experience is how it throws a mirror not just on one’s own childhood, but on all of human nature. It’s an obvious point, but one that I never thought about before having kids: all newborn babies are always the same, everywhere. And then, slowly but surely, they become not the same. As cultural and family influences accumulate like sedimentary layers in these tiny personalities, you can see nurture reshaping nature in a deeply embodied, physical way.
。业内人士推荐safew官方版本下载作为进阶阅读
* 时间复杂度：O(len1 + len2)，空间复杂度：O(len2)（栈+Map的空间）。heLLoword翻译官方下载对此有专业解读
How could they work?