有人说他们的这种“占便宜心理”促进了理性消费，不过，也有人提醒要小心为了优惠券而购物这样的冲动购物行为和不必要的消费。

Some say their "bargain mentality" encourages rational spending, but others also warn against rash and unnecessary consumption - buying for the sake of coupons.

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强制性制度变迁过程中，符合理性的决策选择，是促进消费成长的重要条件。

In the course of system changes, the rational decision-making is very important to promote the consumption growth.

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消费的个性化、理性化以及多样化促进了旅游方式的改变，在互联网的时代，网络互助旅游应运而生。

Consumer's personalization, rationalization and diversification promoted the traveling way change in the Internet era, the reciprocal tourism networks were emerged.

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