农业效率不应以牺牲生物多样性为代价。
We make things to remember, and we remember by making things.
I always try to be positive, even in tough moments.
The future of drones belongs to those who dare to push boundaries.
读报或者看电视新闻时,总是难免碰上一个又一个的为社会问题的解决提供了新的解决方案的人。
The true meaning of life is to plant trees under whose shade you do not expect to sit.