我们并没有苦于所需技术人员的短缺；我们是苦于政策决心的缺乏。
We aren't suffering from a shortage of needed skilled; we're suffering from a lack of policy resolve.
对此提供的理由包括检测盒不足或负担不起，缺乏基础设施以及经培训的工作人员短缺。
Reasons given for this include scarcity or unaffordability of test kits, lack of infrastructure and shortage of trained staff.
很显然，体重超重已经不仅仅受到食物短缺的困扰，但是发达国家中的大批老年人却面临营养缺乏。
The overweight are obviously not troubled by a shortage of food. But a large group of people in rich countries does suffer from nutritional deficiencies: the elderly.
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