在公共工程问题上,开门纳谏有利于科学决策,个人意见也许并不权威,但权威一定要倾听多方意见。面对投资逾3000亿元的南水北调西线工程,杨勇并不惧于通过自己的科学考察提出独立的意见——“我们不能提供答案,但可以提出问题” On the issue of public works, open rewards are conducive to scientific decision-making, personal opinion may not be authoritative, but the authority must listen to the opinions of many parties. In the face of the Western Route Project of South-North Water Diversion with a total investment of more than 300 billion yuan, Yang Yong is not afraid to come up with an independent opinion through his own scientific expedition - “We can not provide an answer, but we can raise questions.”