What is a stock?

什么是股票市场?
Let's say there are two stocks, stock alpha and stock beta.

我们假设有股市α和股市β
What are stocks?

证券是什么?
I mean, they're pieces of paper that you're trading,

它是对一张纸的交易
but they give you ownership of something like a factory or a

这张纸使你拥有一个公司或工厂的所有权
company or something, and what good is the company?

公司是一个什么东西呢
Well the good of the company is that it's going to produce something.

公司是一个再生产制造的地方
So let's say that the stock is going to produce something in

这里我们可以讲
the future.

我们手里的债券会在未来创造出产品
So we'll call the production of the stock--so what is the

这里我们命名一个符号表示未来的会产品
future?

那未来怎样呢
There are only apples in the future.

未来只有一个苹果