The optimist thinks this is the best of all possible worlds. The pessimist fears it is true.
乐观主义者认为这是所有可能世界中最好的一个。悲观主义者则担心这是真的。
Innovation is not just about technology, it's about changing people's lives.
农业的未来在于科技与自然的和谐共生,我们要用智慧守护每一片绿色。
The most important skill in mathematics is the ability to think clearly.