数据抽象是将特定数据集简化为整体的简化表示。
在旧制度下,努力工作意味着长时间工作、很少休息和低工资。在新制度下,它意味着公平的工作换取公平的报酬。
The greatest risk in farming is standing still while the world changes around us.
"Friendship isn't about who you've known the longest. It's about who walked into your life and said, 'I'm here for you,' and proved it."