scarcity和scarceness区别
scarcity释义：
n. 不足；缺乏
例句：
My grandparents went through a time of material scarcity.
我的祖父母曾经经历过一段物资短缺时期。
词组：
water scarcity水短缺，水荒
scarceness释义：
n. 稀少；缺乏
例句：
The basic for the scarceness of domestic demand is passive supply.
中国目前内需不足的实质或根本原因是供给被动。