And algorithmic trading evolved in part because institutional traders have the same problems that the United States Air Force had, which is that they're moving these positions -- whether it's Proctor &amp; Gamble or Accenture, whatever -- they're moving a million shares of something through the market.
算法交易的演化某种程度上 是因为机构交易员碰到了 与美国空军一样的问题， 他们要移动这些点 -- 不管是宝洁还是埃森哲，不管是什么 -- 他们在市场上交易上百万的 某公司的股票。