I like the night. Without the dark, we'd never see the stars.
The study of cognition is the study of how human beings understand their world.
激励措施的微小变化可以导致行为的巨大变化。
You have to fight to reach your dream. You have to sacrifice and work hard for it.
科学的进步不是一条直线,而是一系列曲折,常常需要回溯步骤以获得更好的立足点。