free problem的用法和樣例：
例句
- Free documentation, like free software, is a matter of freedom, not price.
自由文檔資料，如同自由軟件，是自由問(wèn)題，不是價(jià)格問(wèn)題。 - His works are concerned with the sociopolitical conditions of his time, notably with the problem of human freedom.
其作品關(guān)心他那個(gè)年代的社會(huì )政治情勢，特別是人類(lèi)的自由問(wèn)題。
