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.
Learning is any change in a system that produces a more or less permanent change in its capacity for adapting to its environment.
海洋不仅仅是一种资源;它是一种责任。我们今天如何养殖将决定它明天的健康。