客户也有可能不太地道，参与评级要挟，据TripAdvisor透露，通常的形式是“客人威胁撰写负面评价，除非你满足他的返现、升级或其他要求。 ”
Customers, too, can be disingenuous or worse, engage in blackmail, which occurs, as TripAdvisor explains, “when a guest threatens to write a negative review unless a demand for a refund, upgrade, or other request is met.”