求翻译：先前的研究已经提到在特许合同中，特许人可以使用不可返还的特许初始费去控制被特许人的投机行为。相比国内而言，国际特许经营者也可以对他们的海外被特许人征收一个相对较高的初始费。这个观点显示了初始费用与特许权利的使用和广告支付规模相关性越高，被特许人终止特许合约的代价就越高，被特许人就越需要依附于特许体系。是什么意思？

Previous research has already been mentioned in the concession contract, the franchisee may use the license non-refundable initial fee to control the franchisee's opportunistic behavior. Compared to domestic, international franchisees on their overseas franchisor to impose a relatively high initial

Previous studies have been referred to in the concession contract, Licensees can use a non-return of the initial franchise fee to the concessionaire control speculation. In contrast, domestic and international franchisees can also be in their overseas license is levied a relatively high initial cost