The probability of a response is determined by its reinforcement history.

The revolution is a long and arduous struggle, but with determination and unity, victory is certain.

"The cloud is the foundation for the next wave of innovation."

The human being is a sun; and the senses are his planets.

我不相信运气，我相信准备。

在阅读的过程中，我们在书页上找到了散落的自己。