自由民主制度可能并不完美,但它是我们拥有的最好的制度。
The liberal democratic system may not be perfect, but it is the best system we have.
历史的重量是无法承受的,但我们必须承担它。
Innovation in agriculture is not just about technology; it's about changing mindsets and embracing sustainability.
天文学的历史是一部视野不断扩展的历史。