buyer's remorse

基本解释

My only concern at this point is buyer's remorse.
眼下我唯一的担忧就是买家后悔。
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Why make a friend feel buyer's remorse over their new car purchase by telling them all the terrible things you've read about it's reliability?
当你和买主成为朋友后，如果你为他购买新车而感到深深地懊悔，那么为什么不干脆点告诉他这车实际上很糟糕呢？
For example, you might be reluctant to close because you're afraid that your customer might feel "buyer's remorse" and stop liking you -- a form of rejection.
比如说，你可能尽量避免与客户形成太亲密的关系，因为有的客户买下你所推销的东西之后又后悔自己的购买行为，并将这种情绪归罪于你，这也是一种形式的拒绝。

Critics in the business community--including some Obama voters who now have buyer's remorse--tend to focus on two main themes.
FORBES: On The Cover/Top Stories
It seems the lead author of the Goldstone Report has experienced a severe case of second thoughts or buyer's remorse.
CENTERFORSECURITYPOLICY: Second thoughts, from Goldstone to the 'Arab Spring'
Just a month after they demanded Mubarak's ouster, an acute case of buyer's remorse is now plaguing his Western detractors.
CENTERFORSECURITYPOLICY: The Syrian spring

a feeling of regret (= a wish that you had not done something) after making a choice or decision