Nothing is a waste of time if you use the experience wisely.

I'm not where I want to be, but I'm not where I used to be.

"The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them."

Global cooperation is essential for sustainable fisheries management.

语言不仅仅是符号系统，还是具有社会和文化重要性的一组实践。