作家是能够把答案变成谜语的人。
跨国合作是保护海洋生态系统的关键。
The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
The most important property of a program is whether it accomplishes the intention of its user.