地理带的研究揭示了自然界的统一性,尽管它表面上看起来多样。
主要的义务规则是那些要求或禁止某些行为的规则。
The future of food is plant-based, and we're just getting started.
I'm not going to tell them about the downsizing. If a patient has cancer, you don't tell them.