The companies that will thrive are those that see conservation as an investment, not a cost.
那些将保护视为投资而非成本的公司将会蓬勃发展。
The study of L-functions is a reflection of the unity of mathematical knowledge.
清洁:身体、衣服及住所,力求整洁。
"The important thing in science is not so much to obtain new facts as to discover new ways of thinking about them."