And so I think the answer to this puzzle is that there's a much better solution out there, that's gotten nobody excited because everyone is so delighted with the way car seats are presumably working.
所以我认为这个谜团的答案， 其实是已经存在的另一个更好的解决办法， 只是没人感兴趣，因为每个人都 还是对汽车安全座椅的所谓表现挺满意。