我不孤独。我只是独自一人。这两者有区别。
The inflationary universe model provides a possible explanation for the origin of the universe.
科学的进步就像古老的沙漠小径,散落着被抛弃的理论的苍白骨架,这些理论曾经看似拥有永恒的生命。
I'm not afraid to fall in love, I'm afraid to fall for the wrong person again.