He felt like he had made a good choice with the design process because it was both energy efficient and it washed away the building's resident microbial landscape.
그는 설계 과정에서 좋은 선택을 했다고 느꼈습니다. 왜냐하면 에너지 효율도 좋았고 건물에 살고 있던 미생물도 씻겨 나갔으니까요.