[uncountable]

1. the bulk (of sth) the main part of sth; most of sth
   主体；大部分◆The cosmetics division accounts for the bulk of group profits.
   在集团所获得的利润中，化妆品部占了大部分。◆The bulk of the savings will come from stopping all overtime.
   大部分节余将来自所有加班的取消。

●buy/order/sell (sth) in ˈbulkto buy, order or sell sth in large amounts, usually at a reduced price
大量，大批（低价购买、订购或出售）◆Companies will buy tickets and hotel rooms in bulk to get a better price.
公司将大量订购机票和旅馆房间以便获得较低的价格。