In fact, more common are gradual transition areas, making the edges of the desert less clear, and they have fragile ecosystems that are at the greatest risk since they are not resilient enough to cope with the damage wrought by human actions.
정규 뒷부분 액츄얼테스트입니다.
여기에서 wrought를 사전에서 찾아봐도 어렵습니다ㅜ
문법적으로 왜 들어갔는지를 모르겠어요.
도와주세요!!^^