Because ConAgra felt the product would be an impulse purchase, it was important to make the item stand out in the freezer case.
出自-2015年12月聽力原文
The problem is that such an impulse is hard to sustain Across the country, many similar families were unable to maintain the initial boost in morale(士氣).
出自-2012年6月閱讀原文
Many of them buy things on impulse.
出自-2013年6月聽力原文
In physics, one approach takes this impulse for unification to its extreme, and seeks a theory of everything-a single generative equation for all we see.