Hi everyone. I'm Naomi Shah, and today I'll be talking to you about my research involving indoor air quality and asthmatic patients. 大家好，我是劳伦·霍奇，今天我要跟你们讲讲我关于室内空气质量和哮喘病人的研究。 1.6 million deaths worldwid
But that ain't easy, because the Global Goals aren't just ambitious, they're also pretty complicated. 这并不容易，因为这些全球目标不仅仅很宏大，它们同样也很复杂。 Over 17 goals, there are then 169 targets and literally hundreds of
What kind of world do we want? This is a fundamental question that most of us are asking. 到底我们需要怎么样的世界？这是一个我们常常扪心自问的问题。 Does it make sense to participate in the existing world order? 这对已有世界秩序行得通吗？ We
George Graham Vest (1830-1904) served as U.S. Senator from Missouri from 1879 to 1903 and became one of the leading orators and debaters of his time. This delightful speech is from an earlier period i
