If the gift is not returnable, you've wasted your money.

如果礼物不能退回，那么钱就浪费了。

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The site charges a 20 percent premium for made-to-order shoes, which are assembled in China and are not returnable.

该网站对定做鞋另外收取20%的费用，这些鞋在中国生产且不可退货。

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These bottles are not returnable.

这些瓶子不可退还。

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They rely on recruiting new representatives to profit (not product sales), charge reps large upfront fees and convince them to buy large amounts of inventory that is not returnable.

FORBES: Can You Really Make Money In Direct Sales?