What are the biggest problems of the economy due to scarcity

What are the biggest problems of the economy due to scarcity what are the s( ) to the problems. One of the biggest problems in food. 求英语翻译,谢谢One of the biggest problems we are dealing with in h the scarcity of trade finance是什么意思 What are the reasons for the success of the American Economy What are problems of using the internet in china? It could be one of the biggest environmental problems facing 英语听力,One of the biggest problems people have is honesty “in view of the size of the problems facing the economy”.请翻译 英语翻译Since luxuryis a function of scarcity,the children of to What' s the biggest city of Australia?