导师的职责是指导孩子的智能活动和孩子的心理。

你的故事就是你的力量，掌握它。

The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.

The challenge in model checking is not just to find errors, but to understand why they occur.

健康的森林是有韧性的森林。