Innovation in mining technology is what will keep the industry alive in the next century.
采矿技术的创新将是该行业在下个世纪保持活力的关键。
林业创新意味着在经济增长和生态责任之间取得平衡。
The way in which men produce their means of subsistence depends first of all on the nature of the actual means they find in existence and have to reproduce.
Use music to express the truest self.