The fundamental impulse that sets and keeps the capitalist engine in motion comes from the new consumers' goods, the new methods of production or transportation, the new markets, the new forms of industrial organization that capitalist enterprise creates.
我越是研究染色体,就越意识到正在发生的事情是书本上没有的。
我们银河系的中心是一个极端物理学发生的迷人地方,能研究它是我的荣幸。