释义：学习广博的知识，需要孜孜不倦地学习；学习能够坚持不懈，就有了坚定的志向。
"I'm a perfectionist, I admit it. I'm always trying to improve."
Immigration has a much smaller effect on native wages than most people believe.
To write is to embark on a journey of self-discovery, where each word is a step closer to understanding the essence of our existence.