买卖股票必须具备这两样，另外，还需要将资金打入到资金帐户上，这样，你就可以开始买卖股票了。

Business share must have this different, additional, still need to infiltrate capital on capital account, such, you can begin business share.

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这种商业模式的倒退，以及当今的这些制度和机构，都是从血液买卖开始的。

The rollback of that business, and the institution of the system we have today, began with blood.

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这样的复杂持股买卖才刚刚开始。

The complicated share sales are just beginning.

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And beginning next time, we're going to take up questions of the limits of consent in the buying and selling of goods.

下节课开始，我们将解答,买卖商品中，同意的限制问题。

耶鲁公开课 - 公正课程节选

And some fortunes will begin to be made in simple financial speculation.

一些机遇会开始于,简单的金融投机买卖

耶鲁公开课 - 美国内战与重建课程节选