林业技术应该增强自然过程,而不是取代它们。
In my solitude of heart I feel the sigh of this widowed evening veiled with mist and rain.
The important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.
安全是我们所有运营的首要任务。任何进步都不值得以员工和社区的福祉为代价。