英语是in bulk，

例句

在整个危机期间，可口可乐将生产重点转移到更大的散装包装上，以吸引呆在家里更久并在杂货店囤货的消费者。

Throughout the crisis, Coke shifted its production to focus on larger bulk packaging to appeal to consumers who were spending more time at home and stocking up at the grocery store.