Babies are beautiful. I always want to smile at them in the street, perhaps because they are a rarer and more precious sight in this ageing country or because they remind me of my grandchildren. There are about 3.5 million children aged four and under, while dogs on the streets are a more plentiful 13.5 million. Is the dog boom compensating for fewer children? As time goes by, there are going to be ever more grandparents and ever fewer children to beam at foolishly.
If you just want to be told today's puzzle, you can jump to the end of this article for today's Connections solution. But if you'd rather solve it yourself, keep reading for some clues, tips, and strategies to assist you.
。业内人士推荐Line官方版本下载作为进阶阅读
Continue reading...
* @param {ListNode} head 链表的头节点