Data abstraction is the reduction of a particular body of data to a simplified representation of the whole.
有了目标就要全力以赴。
企业要善于利用资本市场，为创新提供资金支持。
Psychology should focus on how the mind functions to solve practical problems, not just its abstract structure.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
The only way out is through.