He who is not contented with what he has,would not be contented with what he would like to have.
煤炭的未来在于清洁高效利用。
"The best way to predict the future is to create it."
训练一只鹰是一场对话,而不是独白。
利润和可持续性不是对立的,而是长期成功的伙伴。