kē / huàn / xiǎo / shuō / zhōng / cháng / cháng / miáo / xiě / fèi / tǔ / shì / jiè / de / shēng / cún / tiǎo / zhàn科幻小说中常常描写废土世界的生存挑战Science fiction novels often depict survival challenges in post-apocalyptic wasteland worlds.