The challenges of climate change demand urgent action from the scientific community.
在暴君有权杀死一个国家的权利被证明之前,一个国家在必要时杀死暴君的权利永远不会被怀疑。
点燃蜡烛的同时也投下了阴影。
We have three criteria. If it’s publicly traded, liquid and amenable to modeling, we trade it.