Yet the link between feeling good and spending money on others can be seen among rich and poor people around the world, and scarcity enhances the pleasure of most things for most people.
然而，在全世界的富人和穷人中，都能看到将钱花在他人身上与感觉良好的联系，而且稀缺性增强了大多数人对大多数事物的愉悦感。
the scarcity of tree-ring research in the U.S.
美国树轮研究的不足
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。