The Great Depression was a defining moment in the history of the 20th century, and understanding its causes and consequences remains a critical task for economists.
大萧条是20世纪历史上的一个决定性时刻，理解其原因和后果仍然是经济学家的一项重要任务。
When you believe in yourself, you can do anything.
If you're horrible to me, I'm going to write a song about it.
