To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things, every single day.

"It is not the strength of the body that counts, but the strength of the spirit."

你的梦想实现不了是因为我。

Who has deveiv'd thee so oft as thy self?

自适应控制是关于实时调整控制器参数以应对系统动态变化的方法。

Collaboration across industries is the key to solving complex environmental challenges.

解释：知道房屋漏雨的人在房屋下，知道政策有失误的人在民间，知道经书错误的人在诸子。