1. This scarcity is inevitable in less developed countries. 在欠发达国家这种匮乏是不可避免的。
2. Either food scarcity or excessive hunting can threaten a population of animals. 食物短缺或过度捕猎都可能威胁到动物的数量。
3. In the wild, these birds store food for retrieval later during periods of food scarcity. 在野外，这些鸟会储存食物以备日后食物短缺时再取用。
4. If the group faces food scarcity, individuals in the group will reach reproductive maturity later than otherwise. 如果这个群体面临食物短缺的困难，那么这个群体中的个体将比其他群体更晚达到生殖成熟。
5. Thanks to men like Curtice, "the bonds of scarcity" had been broken and America was rolling "to an all-time high of prosperity". 多亏了 Curtice 这样的人，“资源稀缺的束缚”被打破，美国正走向“空前的繁荣”。
