caveat emptor

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Most important, remember: Caveat emptor, or buyer beware.
最后，最重要的是要记住一点：买者自负，谨慎购买。
I believe in these cases there should be a presumption toward ?caveat emptor?- buyer beware.
在这些案件中我认为应该有这样一个买者当心概不负责的推定。
Lawsuits brought because of falling share prices make a mockery of both the principle of caveat emptor and the honourable New York tradition of never giving a sucker an even break.
由于股票价格下跌导致的诉讼，给了股市有风险，入市须谨慎（原意为顾客留心，货物出门概不退换，由买主自行当心）原则以及从不给行将就木的企业一根救命稻草的纽约传统以极大的讽刺。

The entirety of capitalism is, after all, based on the idea of caveat emptor, is it not?
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For now, "what it comes down to is caveat emptor, " says Jupiter's Gartenberg.
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Caveat emptor is thus the traditional, and correct, reaction: let the buyer beware.
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used for saying that the person who buys something must take responsibility for the quality of goods that he or she is buying

Caveat emptor means "let the buyer beware," and is a warning to someone buying something that it is their responsibility to identify and accept any faults in it.