The union is particularly concerned at the sourcing of products abroad.该联盟尤其关注海外的产品货源。Together they travel the world, sourcing clothes for the small, privately owned company.他们一道走遍世界各地，为那家私营小公司寻觅服装货源。They are sourcing from abroad in order to save money.为了省钱，他们的材料、零件从国外开源。