Sustainability isn't a choice anymore—it's a responsibility we owe to future generations.
我表演不是为了逃避生活,而是为了更深入地生活。
The charm of study consists chiefly in the satisfaction which the mind experiences in acquiring knowledge.
书籍是最安静且最恒久的朋友。
We are on the verge: Today our program proved Fermat's next-to-last theorem.