Some built algorithms to perform thefamiliar function of discovering, buying, and selling individual stocks (apractice known as proprietary, or “prop, ” trading).

创造出了与寻找股票、买入股票和卖出股票类似的算法（在实际操作中被称作所有权交易）。

youdao

The system has accomplished all sorts of business, such as buying, stocking, and selling, and realized the function to send data to management center.

该系统实现了连锁加油站进、销、存各种业务管理，另外还包括向总部管理中心上传数据的功能。

youdao

What do you think LV handbags' function after buying it?

购买LV包以后，你怎么看待LV手提包的功能的？

youdao

Detroit and the auto makers claim there was no liquidity (nobody was buying cars or lending) for normal bankruptcy to function.

WSJ: Review & Outlook: Halftime in Detroit

Nations' reserves are these days mostly used to support or weaken the country's currency, by buying it or selling it in the open market - a function for which gold is unsuited.

BBC: NEWS | Business | Central banks set gold sale limit

In other words, when investment banks had ample capital prior to the financial crisis in 2008, part of their role was to function as a facilitator of fixed income and equity markets, buying securities with their own capital as prices fell and selling securities with their own capital as prices rose.

FORBES: Volatility And Hedge Fund Games Are Here To Stay