饥饿和贫困是世界上许多动荡和苦难的根本原因。
Hunger and poverty are the root causes of much of the world's unrest and misery.
译文：弱者容易得到同情，强者反而招人怨恨。
光线不断变化，每分钟都在改变事物的氛围和美感。
The more we uncover, the more complex the story becomes.
水产养殖技术的创新将是满足世界对海鲜日益增长需求的关键。
