zhàn shí / wù zī / kuì fá / rén men / cháng yòng / dài yòng pǐn / lái / mǎn zú / rì cháng / xū qiú战时物资匮乏,人们常用代用品来满足日常需求。During wartime, when supplies were scarce, people often used substitutes to meet daily needs.