The very essence of the creative is its novelty, and hence we have no standard by which to judge it.

造纸行业有责任在环境管理方面发挥领导作用。

可持续发展不再是可选项，而是任何希望在未来蓬勃发展的企业的必需品。

对认知的研究需要经验方法和理论方法的结合。

写作是为沉默者发声。