You can return an item within a week as long as it's new and you have the receipt.
You have up to one week to return any unwanted items provided they are still new and you have the original receipt.
この場合、次のような言い方ができますよ。
ーYou can return an item within a week as long as it's new and you have the receipt.
「新品でレシートがあれば、1週間以内に返品できます」
as long as で「〜さえすれば・〜する限り」
to return an item で「返品する」
within a week で「1週間以内に」
ーYou have up to one week to return any unwanted items provided they are still new and you have the original receipt.
「新品でレシートを提出すれば、不要な商品を返品するまでに1週間の期間があります」=「新品でレシートがあれば1週間以内なら返品できます」
ご参考まで!
You can return it within one week if it's new and you have the receipt.
ご質問ありがとうございます。
・「You can return it within one week if it's new and you have the receipt.」
(意味) 新品でレシートがあれば1週間以内なら返品できます。
<例文>Can I return this?// You can return it within one week if it's new and you have the receipt.
<訳>これ返品できますか?//新品でレシートがあれば1週間以内なら返品できます。
参考になれば幸いです。