So, in some sense, what this is suggesting is that it's not just that people are setting up their car seats wrong, which is putting children at risk. It's just that, fundamentally, the car seats aren't doing much.
所以一定程度上，这个事实告诉我们， 并不是大家装汽车座椅的时候装错了， 让孩子冒风险。根本是 安全座椅并不更安全。