I am happy and proud of what I have done, but not completely satisfied.
天文学的历史是一部视野不断扩展的历史。
贫困陷阱的核心:今天的饥饿偷走了明天的生产力。
一段不幸的婚姻不是缺乏爱,而是缺乏友谊。
"We live in a world that is interconnected and interdependent, and our stories are part of that larger narrative."