沦陷时上海无正义，胜利后上海无公道。
——杜抨击当时的国民政府。
The facility which this revenue gives for borrowing money is what has enabled the greater part of Europe to accumulate a capital of such a magnitude.
我头上的星空和我心中的道德律。
Climate change is the greatest threat to global forests, but also our greatest opportunity for innovation.
数学的美在于它能够用一种既精确又普遍的语言来描述宇宙。
钢铁的未来在于可持续性和创新。