Let's just make sure we understand this, if the other guy is selling below cost, the only way I can make any sales is to price below his price.

来确认下大家都明白这点,如果另外一家公司定价低于成本,我想卖出产品的唯一方法就是定价比它低

耶鲁公开课 - 博弈论课程节选

He suggests an equity collar--buying a put below the market price and selling a call above it to defray the cost.

FORBES: Monday Morning Quarterbacks

Dumping is an aggressive trade practice involving an exporter selling goods abroad either below the price in its home country, below the cost of producing them or below what investigating authorities believe is a fair market price.

WSJ: EU to Probe China Telecoms' Trade Practices

He told the Telegraph that the government had acknowledged the importance of price by introducing a ban on selling alcohol below cost, but said this did not go "far enough".

BBC: Minimum alcohol price in UK 'would save lives'