#头条创作挑战赛#
答案在 The Economist October 15th 2022 Leaders “ Bond markets --- The Iceberg Lady ” 这篇文章第一段可以找到。
The Economist October 15th 2022 Leaders
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shelf-life n.
1.（尤指食品的）货架期，保存期
造个句子
Fresh fruit has a very short shelf life.
新鲜水果的保鲜期限很短。
2. 可以使用（受欢迎或成功）的时限
造个句子
These days many marriages have a fairly short shelf life (= don't last very long).
这个时代，许多婚姻都无法持久。
翻译下这段吧
Liz Truss has already secured her place in British political history. However long she now lasts in office, she is set to be remembered as the prime minister whose grip on power was the shortest. Ms Truss entered Downing Street on September 6th. She blew up her own government with a package of unfunded tax cuts and energy-price guarantees on September 23rd. Take away the ten days of mourning after the death of Queen Elizabeth II, and she had seven days in control. That is roughly the shelf-life of a lettuce.
利兹·特拉斯已经在英国政治史上确立了自己的地位。无论她现在执政多久，她都将作为掌权时间最短的首相而被人们铭记。9月6日，特拉斯入主唐宁街。9月23日，她用一揽子没有资金支持“只出不进”的大规模减税措施和能源价格担保方案毁掉了自己的政府。除去伊丽莎白二世女王去世后的十天哀悼期，她有七天的时间来控制局面，那大约是生菜的保质期。
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