1.
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
2.
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
3.
It was all due to the losses he had suffered in "dewing" (a kind of speculative financial dealing).
全部是“做露水”（钱业中的买空卖空投机事业）蚀去了的。
4.
Short selling is disruptive speculation that requires someone else to lose.
买空卖空是破坏性很大的投机勾当，总要导致损人利己的结果。
5.
In business, whether you're setting up a bank or anything else, you must be realistic. You can't afford to run a business as a sweepstake.
我们不论是办个银行，或是别的什么，总是实事求是，不能干买空卖空的勾当。
6.
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。
7.
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。
8.
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
9.
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。”
10.
Even the most secluded places are situated within a stone's throw of business or residential districts.
最空旷的地方也离买卖街与住宅区不远。
11.
Illegal traffic in protected animals is quite common there.
非法买卖受保护的动物在那里是司空见惯的事。
12.
The documents shall not be forwarded by air route unless the contract of sail so provides.
除买卖合同有规定外，单据不用航空寄递。
13.
The scheme fell through because of some big business deal Ned had to attend to.
因为纳德要专心应付几宗大买卖，计划落空了。
14.
Solving Optimal Portfolio Selection Problem with Short Sale via Interior Point Methods;
应用内点算法求解允许买空/卖空情况下的投资组合问题
15.
short account
空头帐户,卖空帐户
16.
If they sell a currency forward without buying forward at the same time, this is called short.
如果他们只卖出远期外汇，而不同时买进远期外汇，那就称作空头。
17.
covered short selling
有担保卖空,有妥善交收安排的卖空
18.
Price rise only superficial or temporary mainly attributable to short covering also partly speculative purchases.
价格上涨属表面的或暂时的，主要原因在于空头卖方的回补买入及部分投机者的买入。