题目内容：
There are few precious constants in the story of the yen--for a start, it is __________ among the monies of the world, being not much more than a century old.
参考答案：
答案解析：
单选题：There are few precious constants in the story of the yen--fo
- 题目分类：GRE
- 题目类型：单选题
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