zài / wǔ / xíng / xué / shuō / zhōng / jīn / xíng / dài / biǎo / qiū / tiān / hé / shōu / liǎn / de / lì / liàng在五行学说中,金行代表秋天和收敛的力量。In the theory of the five elements, metal represents autumn and the power of contraction.