1.The heatwave caused a lack of rain, which meant farmers produced a lot fewer potatoes than they normally do.
a lack of 缺乏;缺少
There is a lack of confidence in the government's ability to manage the economy
人民对该政府管理经济的能力缺乏信心 。
2.Belgium is one country where the potato shortage is a big talking point.
talking point 话题;论题
It's bound to be the main talking point during discussions between the Prime Minister and the President.
这必然会成为首相和总统之间讨论的主要话题 。