I guess it's because of the dry weather here. 我想因為這裡乾燥氣候的關係。
Starting fires with a mischmetal flint in a dry climate is easy, but in wet weather, you may need a cigarette lighter and some flammable helpers to get your fire going. 用燧石生火在乾燥氣候下相對容易,但在潮濕天氣里,你得用打火機和一些易燃物來幫助你生火。