除非卖方事先书面许可退货并且买方遵守卖方制定的任何条件，否则任何货物不得退回。
No goods may be returned unless the Seller have previously agreed in writing to such return and the Buyer has fully observed any conditions the Seller have prescribed.
我们不得不将吹风机退回商店，因为它有残损。
We had to return the hairdryer to the store because it was faulty.
不然的话，就算是最老练的公司们也不得不退回到原先制定的分配系统。
Even the most sophisticated companies have to fall back on established distribution systems.
他承认，游客中心可能得偿付退回货物的运输成本，但是他表示：“要是我们不得不承受点儿损失的话，我们会承受损失的。”
He concedes that the visitors center may have to pay shipping costs to return the goods but said, "if we have to lose a little bit, we'll lose a little bit."
运输车不得不退回到平地上，以便工作人员们检查测量仪器是否出现故障。
The transporter was backed up to level ground so workers could determine if there was a problem with the gauges.
鉴于以上情况，很遗憾我们不得不将次品退回你处调换，费用由你方支付。
In view of the above, we regret that we have to return the defective goods to you for replacement at your expense.
因此，他们不得不退回到了漫长的道路。
其次，焊接工作结束时，焊工应将剩余焊材退回焊材烘干室，不得有浪费。
Second, at the end of the welding work, welding residual welding materials should be returned to the welding material drying room, can not have waste.
在集装箱运输的情况下，集装箱的打开和退回不得视为开包检查。
In case of container transportation, the opening and return of the containers shall not be regarded as the open-package inspection.
虽然这本书是非常好的读物，可是还是会让人不得不怀疑魏丝和西克曼正退回到一些旧的情节套路上去。
While this book is a great read, one has to wonder if Weis and Hickman are falling back on some old plot lines.
兑换不得更换、退回、取消并且在兑换礼品过程中不退回PTZ；
There will be no exchanges, no returns, no cancellations and no PTZ refunds on redeemed prizes.
无论何时，只要我想要接近，我就会撞在矛尖上，受了伤，不得不退回。
Whenever I wanted to move close, I would hit the spears, get hurt and have to retreat.
无论何时，只要我想要接近，我就会撞在矛尖上，受了伤，不得不退回。
Whenever I wanted to move close, I would hit the spears, get hurt and have to retreat.
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