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。

youdao

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

NPR: Are Your Investments Safe?

Kent Clizbe has a warning for voters in the primary Tuesday to fill the Virginia House of Delegates' newly created 87th District seat in Loudoun County: Caveat emptor - let the buyer or, in this case, the electorate, beware.

CENTERFORSECURITYPOLICY: Let the voter beware

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

ECONOMIST: Financial regulation