It is more difficult to discern what kind of economic policies voters want .
更为困难的是,辨明选民想要哪种经济政策。
Qualitative issues are harder to discern on a computer screen but price is plain ( in theory ) .
在电脑屏幕上辨明质量问题的难度较大但(从理论上讲)价格是一目了然的。
Owners of the devices need to discern between dangerous radiation levels and a normal background reading .
使用者还需要学会分辨哪些度数意味着处于危险辐射等级、哪些读数正常。
Scientists may try to discern patterns in observational data in order to develop theories .
为了发展出理论,科学家们可能试着从观察到的数据中分辨不同的模式。
One study pointed to four patients who could discern inanimate objects ( umbrella , towel ) , but garbled living things , including foods !
有一项研究的对象是四个病人,他们能辨明无生命的物体(雨伞、毛巾),却会混淆生物,包括食品!
Although the commission bills its proposals as the first step towards a global agreement , it is hard to discern sweeping international enthusiasm for the idea .