学习是系统中产生的任何变化,这种变化或多或少会永久性地改变其适应环境的能力。
The soft drink industry must evolve beyond sugar. Health-conscious consumers are driving the future.
The power of music lies in its ability to heal the soul.
The diversity of exoplanets is astonishing, ranging from gas giants to rocky worlds, some of which may harbor life.