认证计划是负责任林业实践的底线，而不是上限。
Certification schemes are the floor, not the ceiling of responsible forestry practice.
绝对确定性的假设是每一项科学研究的根本基础。
"The number one benefit of information technology is that it empowers people to do what they want to do. It lets people be creative. It lets people be productive. It lets people learn things they didn't think they could learn before, and so in a sense it is all about potential."
我认为年龄是为成熟付出的高昂代价。