9. A Veritable Chamber of Horrors

p. 129

There's a chance that eugenics could have remained in the realm of speculative fiction had a small group of influential scientists not championed its cause so zealously. 

해석>> 일부의 영향력있는 과학자들이 그 원인을 열정적으로 찬양하지 않았더라면, 우생학은 여전히 사변소설의 영역에 남아있을 수도 있었다. 

 

There's a chance that eugenics could have remained in the realm of speculative fiction + if a small group of influential scientists had not championed its cause so zealously. 

에서 뒤의 종속절의 if가 생략되고 주어-동사가 도치되었다.