Learning is any change in a system that produces a more or less permanent change in its capacity for adapting to its environment.
学习是系统中产生的任何变化,这些变化或多或少会永久性地改变其适应环境的能力。
I have failed many times, and that's why I succeed.
当没有人相信你时,你必须相信自己——这让你立刻成为赢家。
我们在一起就势不可挡。