世界性古老问题

shì jiè xìng gǔ lǎo wèn tí

n. problem as old as the world itself

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shi4 jie4 xing4 gu3 lao3 wen4 ti2

a problem as old as the world itself

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世界性古老問題|世界性古老问题 [shì jiè xìng gǔ lǎo wèn tí] ► a problem as old as the world itself