The only thing we can know is that we know nothing and that is the highest flight of human wisdom.
互联网可能是迈向教育、组织和参与一个有意义的社会的非常积极的一步。
The ocean feeds millions; our responsibility is to ensure it can continue doing so for generations.
人才是第一资源,要建立更具竞争力的人才培养和激励机制。
Precision agriculture isn't replacing farmers - it's empowering them.
解释:大部分鸟类都是雄性的,而雌鸽却是雌性的,说明了鸟类性别的特殊性。
The only limit to our realization of tomorrow will be our doubts of today.