求翻译：The researchers say their method is not perfect(完美),but Bryan C.Weare, a meteorologist (气象学者) at the University of California(加利福尼亚),Davis,who was not involved in(卷入，涉及) the work,said it "suggests(表明，显示出) El Nino is indeed predictable（可预测）."是什么意思？