Caveat emptor has been the dominant principle .

买者自慎是至上法则。

The world bank 's ethics committee should have a signon the door warning : " caveat emptor - don 't rely on us . "

世界银行（worldbank）道德委员会应该在门上贴一个警告：“商品售出，概不退换不要指望我们。”

If caveat emptor is seen as a dominant business principle by both producers and consumers then the legitimacy of capitalism and market organisation will not long survive .

如果商家和消费者都认为“买主自己小心”是一个主要的商业原则，那么资本主义和市场体制的合理性就不会长期存续。

For customers the lesson is a familiar but neglected one : caveat emptor .

对顾客来说，这是场平常的容易让人遗忘的教训：购者自慎。

Whenever questions are raised about the complex subprime mortgage derivatives the investments banks sold during the credit boom , back comes the response : caveat emptor .

每当有人问起投行在信贷繁荣时期出售的复杂次贷衍生品时，回答是：购者自慎。