逻辑学研究不仅仅是关于形式系统,更是关于人类推理的本质。
I'm the reason your preacher can't preach.
Every film is a journey, and you never know where it will take you.
世界需要各种形式的能源来满足不断增长的需求,天然气是一种更清洁的替代品,可以帮助填补这一空白。