科学是人类智慧的结晶,是推动社会进步的重要力量。
The relationship between education and earnings is complex and varies across different contexts.
You are not the opinion of someone who doesn't know you.
在野外,没有第二次机会。你必须第一次就做对。
学习速度是当今世界唯一可持续的竞争优势。