如果最近提议的债务交换能通过，希腊的随意发挥则不再是值得讨论的问题。 因为在英国法律下书写的新合同更多了是保护投资者利益。

That will no longer be the case if the currently proposed debt exchanges go through; the new contracts, written under English law, protect investors a lot more.

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根据教育产业理论，教育机构与受教育者之间是平等自由的交换关系，是教育服务与消费的合同关系。

According to the theory of education industry, there is an equal and free exchanging relationship between education organization and students, which is an education serving -consuming contract.

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即便有具体的合同语言来限制口头交换命令，口头变更也是有效的。

Oral modifications may be valid even though there may be specific contract language prohibiting oral change orders.

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