Cosmologists are often in error, but never in doubt.
宇宙学家经常犯错,但从不怀疑。
作为一个女人,我没有国家;作为一个女人,我的国家是整个世界。
Investing in farmer education is investing in the future of dairy.
成功经济发展的关键是遵循比较优势并利用后发优势。
The purpose of mental activity is successful living.