Ingersoll's story of the man that went down from heaven on a reduced-rate excursion ticket good for 30 days --- and tried to sell his return ticket.

合作共赢是全球化背景下企业发展的必然选择。

森林的真正价值不仅在于木材产量，还在于生物多样性和生态系统健康。

跨行业和跨国界的合作对于满足世界能源需求至关重要。