事实上,光的理论是我非常感兴趣的研究课题,我对光的本质形成了明确的看法。
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.
我不是榜样。我只是在努力做我自己。
The greatest enemy of a trader is hope.