导演最有回报的部分是看到最终的产品,并知道你创造了有意义的东西。
可持续发展要求我们在经济增长和环境保护之间取得平衡。
The world is full of signs and wonders that come, and go, and if you are lucky you might catch the tail of one.
Innovation is not an option; it's a necessity for the survival of the coal industry.
To live is to embrace the contradictions of life.
我们必须弥合科学研究与实际农业应用之间的差距。