by the cold light of reason 经过冷静思考

英文释义

Traditional expression referring to the use of sober, rational analysis not swayed by emotion.

例句

At first we liked the architect's most innovative design for our new building, but by the cold light of reason we chose a more conservative and less expensive alterative plan.

起初，我们喜欢这位建筑师为我们的新大楼做的最有创新性的设计，但冷静下来后，我们选择了更保守、造价较低的替代方案。