condition for existence的用法和樣例：
例句
- Forced to adapt to the harsh existence on the mostly lifeless worlds of the sector, the terrans are masters of survival.
人族在宇宙中毫無生命跡象的世界，被迫適應嚴酷的生存條件，人族現在已經是生存專家了。 - We think we should have the conception of history of literature and we must see the historic variety of existence condition of mankind literature.
我們應當是一個文學的歷史主義者，我們必需看到人類文學生存條件所發生的歷史性變化。
