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。
Innovation is the lifeblood of aquaculture; without it, we stagnate and fail to meet the growing demands of our planet.
It is India that gave us the ingenious method of expressing all numbers by means of ten symbols, each symbol receiving a value of position as well as an absolute value.
The success of an enterprise cannot be achieved without team cooperation and the efforts of every employee.