我们认为这些真理是不言而喻的:人人生而平等。
质量从来不是偶然的;它始终是智慧努力的结果。
The sea, the sea, the sea. It rolled and rolled and called to me. Come in, it said, come in.
材料选择艺术家,正如艺术家选择材料。
我只是一个努力实现梦想的孩子
A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.