Return Policy: All sales are final. Exchange for defective items are within 30 days.

退货规则： 所有售出之货除非有瑕疵或寄错才能退换， 退换请于30天内先通知我们。

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Others have a no-exchange policy or demand that you return the product to one of their stores - a little tricky if they are thousands of kilomet ers away.

CNN: CAVEAT SURFER

But the sooner the public finances are brought under control, the sooner the country can afford a more flexible exchange-rate policy without risking a return to inflation.

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Instead its up to individual stores to decide whether or not to offer the extended exchange period, or simply stick with the standard 14-day return policy.

ENGADGET: Some Apple stores offering exchanges on iPads purchased in the last 30 days