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Marine conservation isn't about restricting fishermen—it's about ensuring they can keep fishing for generations.
"The world is a library of stories, and every person is a book."
To be happy, it is necessary to forget as well as to remember.
解析:天地之所以能长久存在,是因为它们的一切运作都不为自己,所以能够长久。
The concept of polynomial-time reduction is central to understanding the structure of NP-complete problems.
Today is cruel, tomorrow is crueler, and the day after tomorrow is beautiful, but most people will die tomorrow night.