According to this theory, the atoms consist of a positively charged nucleus surrounded by a stream of electrons kept together by attractive forces from the nucleus.

根据这个理论，原子由一个带正电荷的核组成,由于来自核的吸引力,电子流围绕在核的周围。

麻省理工公开课 - 固态化学导论课程节选

The price of a share is the price of the ownership of that earnings' stream If I buy a share I'm in with everyone else who owns the company and I have a claim on the earnings' stream, but the earnings' stream is a year-by-year thing.

每股价格是指,收入所有权的价格,如果我和其他股东一样买了一份股票,那么我就对收益有要求权,但收益是逐年计算的

耶鲁公开课 - 金融市场课程节选