An option to buy or sell a stock, including put, call, spread, and straddle.
优先购买权买卖股票的选择权，包括投资、交货、买卖差额和买空卖空
We are having problems with one of the videotape players we purchased from you.
我们向贵公司买空买的录像机有一台有问题。
Optimization approach for long-short portfolio selection under the attrition market;
摩擦市场下买空-卖空投资组合选择的优化方法
The Portfolio Selection Problem in Frictional Market Allowing Short Sale;
摩擦市场上允许买空卖空的投资组合问题
Can we afford to lash out on an air-conditioner?
我们能拿出一笔可观的钱买空调器吗？
An Utility Maximization Model Based on Mean and CVaR Without Short Selling
不允许买空时基于均值和CVaR的效用最大化模型
I need some air-mail stamps.
我要买些航空邮票。
Please buy some air mail stamps for me.
请给我买几张航空邮票。
He is looking for an empty lot on which to build his house.
他想买一块空地造房子。
God gives air to men; the law sells it to them.
上帝把空气给人，法律却拿空气做买卖。
the purchase of securities or commodities by a short seller to close out a short sale.
卖空者抛售卖空的货来购买证券或商品。
I'd like to buy some stamps and also some aerograms.
我想买点邮票和一些航空邮简．
We can arrange to transport the goods by air If the buyer require It .
如买方要求，我们可以安排空运货物。
Airline personnel can buy flight tickets at reduced prices.
航空公司职工可以减价购买飞机票。
A 'bull' is a man who buys government bonds, and a 'bear' is a man who sells government bonds."
‘多头’就是买进公债，‘空头’就是卖出。”
They just had to buy some flight insurance first.
他们只是不得不先买份航空保险。
The investment adviser recommends buying shares in Aircraft Company .
投资顾问建议购买航空公司的股票。
Return empty-handed from an unsuccessful shopping trip
这趟购物之行什麽也没买成，空手而归