I want to buy ten shares or five shares and

我想买十股或者五股
the broker will do it for you,

经纪人会照办
but they might charge a higher commission.

但是会索取更高的佣金
That's the lesson.

这就是这节课的内容
There's a term--I should write some of my terms down--

有一个词我把它写下来
a very important term in finance and that's "dilution."

金融学中非常重要的词叫"摊薄"
If the company increases the number of shares through a split

如果公司通过股票分割来增加总股数
that is not dilution because it doesn't really mean anything.

这不是摊薄因为没有发生实质性变化
When you do a split, you're changing the number of shares for everybody,

当进行分割时每个人拥有的股数变了
so it can have no effect on the ratio for anybody;

但每个人持股的比率没变
it's just purely appearance.

只是做做样子罢了
Dilution occurs when the company changes

摊薄是指公司