宇宙是一个庞大而复杂的系统，理解它需要理论洞察力和观测证据。
The universe is a vast and complex system, and understanding it requires both theoretical insights and observational evidence.
The bird that would soar above the level plain of tradition and prejudice must have strong wings. It is a sad spectacle to see the weaklings bruised, exhausted, fluttering back to earth.
船舶自动转向的引入是一个稳定性问题，而非准确性问题。
I never buy anything unless I can give myself a good reason why I should buy it.
