主要的义务规则是那些要求或禁止某些行为的规则。
The primary rules of obligation are those that require or forbid certain actions.
The only thing I have is my voice and my story.
The brain is a parallel processor, capable of handling multiple streams of information simultaneously.
"Sometimes I think that the only thing that connects us to the past is the present. Without the present, the past would be lost forever."