“我要退货”用英语怎么说呢？其实很简单

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return n/v.退货

请看神奇的网站www.wikihow.com, 也叫我们怎么退货，LOL！

【例句】

I want to return the smartphone I bought online yesterday, because Ican't get used to the operating system.

我想退了我昨天网上买的那部手机，因为我不习惯用它的系统。

Most online stores grant returns for items within seven days ofpurchase date.

大部分的网店支持购买日起的七天内换货的。

Within 7 days of receiving the item, if the customer is dissatisfied with the order, the customer can return the product.

在收到货物的7天内，如果顾客对订单不满意，可以退货。

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exchange v.换货

【解释】

If you exchange something, you replace it with a different thing,especially something that is better or more satisfactory. 

【例句】

This pair of shoes is too big. I think I have to exchange it for a smaller one.

这双鞋子太大了。我觉得我得换一双小一点的。

One problem of online shopping is that if you're not satisfied withthe product you've received, you have to exchange it for a better one， which is time-consuming.

网上购物的一个问题是，如果你不满意你收到的产品，你必须换一个更好的，这个过程很耗时。

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refund n/v.退款

名词念/ˈriːfʌnd/

动词念/rɪˈfʌnd/

【解释】

A refund is a sum of money that is returned to you, for examplebecause you have paid too much or because you have returned goods to a shop. 退款

If someone refunds your money, they return it to you, for examplebecause you have paid too much or because you have returned goods to a shop. 退还

【例句】

If there is a delay of 12 hours or more, you will receive a fullrefund of the price of your trip. 

如果耽搁达到或超过12小时，你会得到旅费全额退款。

We guarantee to refund your money if you're not delighted with yourpurchase. 
如果你对购买的商品不满意，我们保证退款。

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