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.
大蕭條是20世紀歷史上的一個決定性時刻，理解其原因和后果仍然是經(jīng)濟學家的一項重要任務。
The concept of a black hole firewall challenges our understanding of quantum mechanics and general relativity.
幸福，就像不幸一樣，是一個主動的選擇。
"The best way to predict your future is to create it."
The future of farming lies in our ability to balance productivity with environmental responsibility.