求翻译：七、本协议双方订立后，如乙方无法完成甲方委托之业务，甲方此前所交的款项乙方给予退还,如因甲方原因中途停止办理该项业务,那么甲方此前所交的预付款项乙方不给予退还。是什么意思？

Seven, after the parties to this agreement, if party b is unable to complete the business of party delegates, party a party b is given a refund of moneys, cause party a halfway stop handling the business as a result, advance payments paid by the party a party b and does not provide refunds.