求翻译：上述费用包括 会议 费、餐 费、房 费及会议和宴会期间产生的费用均由乙方指定授权人员签单确认后生效入总账，并于此次活动结束前（即7月13日）由乙方结清，甲方出具合法发票。是什么意思？

These costs include conference fees, meals, room fees and costs generated during the meeting and banquet by Party B to specify an authorized officer after the confirmation of the signing into the general ledger of the entry into force before the end of the event (July 13) by B settlement, the Party

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Above expense including conference fee, meal expense, Fang Fei and conference and banquet period produces the expense assigns after the second party to be authorized the personnel to sign the list to confirm becomes effective enters the general ledger before, and finished (i.e. on July 13) in this a

Such costs include meeting, meals, room rate and costs incurred during the meeting and banquet were signed by party a specified authorized officer take effect after confirmation into the General Ledger, and before the end of the event (July 13) by party b settle, party a to produce legitimate invoic

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