But what they did, of course, since it was so complicated and expensive, they only used it on the zero-year-olds and the one-year-olds.
그래서 당연한 얘기지만 사람들은 이 치료법이 너무 복잡하고 비싸기에 돌이 지나지 않은 아기나 한 살짜리한테만 썼지요.