可归约性的概念对于理解不同计算问题之间的关系至关重要。
The concept of reducibility is central to understanding the relationships between different computational problems.
每一条法律规则的存在都归因于一个目的，一个实际的目标。
Forests are not just carbon sinks—they are life sources.
"The beauty of literature lies in its ability to transcend time and space."
绘画是一种道德行为。