We identified 10 of the biggest challenges in the world, and I will just briefly read them: climate change, communicable diseases, conflicts, education, financial instability, governance and corruption, malnutrition and hunger, population migration, sanitation and water, and subsidies and trade barriers.
我们找出地球面临的十项最大挑战， 让我很快的念出来。 气候变化，传染病，冲突， 教育， 金融波动，政府管治，贪污 营养不良及饥荒，人口迁移， 卫生及水源，经济资助及贸易壁壘。