내신 준비중이라 꼼꼼하게 해야 되서 질문 꼼꼼히 해볼꼐요.ㅋㅋ
2강1번문제에서 맨 마지막에 a series of episodes has left permanent imprints on their minds which serve as fixed points- a sort of map to which they may refer any new proposal from laboratory. 에서 their 하고 they 가의미하는게 citizens 맞죠?
아니면 scientists들인가요?