It points out the difference between the traditional model and improved model and some problems during the execution of the Buy-back contract. It further makes Suggestions for improvement.

通过对比指出了改进的模型和传统回购合同的区别以及回购合同在执行中存在的问题并提出改进方案。

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The Gunners are short of experienced cover at the back, having seen out-of-contract veterans William Gallas, Sol Campbell and mikael Silvestre leave this summer.

随着加拉、坎贝尔以及西尔维斯特今年夏天的离开，枪手后防缺乏足够的经验保障。

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The French right-back, 26, who was born in Guadeloupe, is out of contract this summer and has turned down the offer of a new deal at the County Ground.

BBC: Comminges keen on Bluebirds move

General Manager Brian Cashman was ready to let A-Rod leave when he opted out of his prior contract back in 2007, only to be overruled by the caving Hank Steinbrenner.

FORBES: Ibanez Hits For A-Rod: Great Now, Troubling For The Yankees' Future