VOA常速英语:特朗普支持者们在社交媒体上的挣扎

These policies are unlikely to prove popular with middle-class voters.

这些政策不大可能博得中产阶级选民的欢心。

2. a lack of 缺乏

There is a lack of knowledge about the tax system.

大家对税制缺乏了解。