求翻译：因为是第一次做出口业务，运输、海关流程、价格方面，还有不能预见的费用等原因，使我们不能很好的控制成本，我们是三月份恰谈合作事宜，截止到5月15日一个小柜的运输费用就上涨了500美金，但这次的价格我们还是按照原来合同执行，以表示我们诚意，5月15日以后的运输价格还没出来，为能控制成本，我们希望尽快收到LC信用证尽快把货发出。是什么意思？

Is the first time to do export business, transportation, customs procedures, prices, unforeseen costs and other reasons, so that we can not be a good cost control, we just discuss co-operation in March, until May 15 a small cabinet transportation costs rose $ 500, but the price we executed according

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Because is first time makes the export business, transportation, customs flow, price aspect, but also has reasons and so on expense which cannot foresee, enables us the very good control cost, we are in March discussed exactly the cooperation matters concerned, cut off on May 15 a locker the cartage

Because is first times do export business, transport, and customs process, and price area, also has cannot foreseen of costs, causes, makes we cannot is good of control cost, we is March just on cooperation matters, as to May 15 a glove compartment of transport costs on rose has 500 dollars, but thi

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