I think the moral of the story is let the buyer beware.

我想这个故事的寓意是提醒购买者当心。

《柯林斯英汉双解大词典》

So buyer beware. Make sure the services you're getting are well designed, implemented, and operated.

所以，买家要注意了，你要确保你得到的服务是很好地设计、实现和运营的。

youdao

Damon usually excels in suspense, as seen in the Jason Bourne trilogy and the Departed, but buyer beware: Bureau's release date has been bumped twice.

悬疑片向来是达蒙的拿手好戏，《谍影重重》三部曲和《无间行者》已然明示，但是提请观众注意：本片的上映日期已经两次发生变动。

youdao

More sensibly, they might decide to leave well alone and let the buyer beware.

ECONOMIST: A survey of world trade

Caveat emptor is thus the traditional, and correct, reaction: let the buyer beware.

ECONOMIST: Financial regulation

As with any investment, caveat emptor, let the buyer beware.

NPR: Are Your Investments Safe?