The official languages of the competition are Estonian and English.
比赛使用的官方语言为爱沙尼亚语和英语。
The country "s official language is Estonian, which is closely related to Finnish."
该国的官方语言是爱沙尼亚语，它和芬兰语有很接近的关系。
The country "s official language is Estonian, which is closely related to Finnish."
该国的官方语言是爱沙尼亚语，它和芬兰语有很接近的关系。
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