求翻译：购买方应在收到可接受的完整的发票以及供货和服务全部验收后的90（九十）日内支付合同总价的80%（百分之八十）。该发票应包含全部合同总价，包括所有相关税费。是什么意思？

The purchaser shall receive acceptable complete invoice as well as supply and service all acceptance for 90 (ninety) days to pay 80% of the total contract price (80 percent). The invoice should contain all of the total contract price, including all taxes and fees.

Parties should be purchased before you can receive in the full invoice for goods and services as well as full acceptance of the 90 (90) days after the payment of the contract price of 80% (80 % ). The invoice should contain all of the contracts total price, including all related taxes and fees.

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Buys the buyer to be supposed after the integrity receipt which receives may accept as well as supplies goods and serves the completely approval 90 (90) in the date to pay the contract total price 80% (80%).This receipt should contain the complete contract total price, including all related taxes an