Innovation in mining technology is essential to meet the world's energy demands.
粮食是百姓生存的根本,没有粮食人就无法生存。三天不吃粮食,父子之间也难以互相照顾。
The quality of an organization's communication determines the quality of its relationships.
The quality of an organization's ethics determines the quality of its decisions.
人类不仅是自然的产物,也是自然的改造者,常常带来不可逆转的后果。