Based on the assumption of stochastic customers' arrival, stochastic model is divided build for sale policy for bookstores with and without sale duration limited.

基于顾客随机到达的假定，分别建立了无销售期限和有销售期限的书店销售策略的随机数学模型。

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Look at the arrival of the first two days of travel tickets should be able to buy the normal, and then look at the situation in the future should not be pre-sale tickets.

这样看来临出行前两天的车票应该是可以正常购买的，往后的车票现在看情况应该是不能预售的。

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Galaxy are upset because Beckham's England return will hit his availability - after the announcement of his arrival next season sparked the sale of thousands of season tickets.

银河队不满贝克·汉姆回归英格兰队，因为这将影响他为俱乐部比赛-数千张季票在贝克·汉姆下赛季要加盟的消息的刺激下销售一空。

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Sarries coach Rod Kafer is hopeful the arrival of assistant coach Steve Diamond from Sale will add some impetus to a Saracens side that lost yet again at home.

BBC: SPORT | Rugby Union | English | Saracens 18-22 Northampton

The initial iPad gave way to the iPad 2, which will remain on sale at a lower price following the arrival of the new model.

WSJ: Why Doesn't the New iPad Have a Name?

According to National Bank Financial analyst Michael Smith, the arrival of Icahn signals the breakup of the firm or sale of properties.

FORBES: Billionaire Icahn Buys Into Canadian Hotel Firm