그들은 병원이 더 좋은 곳이라고 '알고' 있었죠. 그래서 그들은 그런 실험을 하는것은 매우 부도덕하다는 것을 '알고' 있었죠.
They knew that their hospitals were the right place for patients, and they knew it was very unethical to run any kind of trial or experiment.