For H&M to offer a $5.95 knit miniskirt in all its 2,300-plus
stores around the world, it must rely on low-wage overseas labor, order in
volumes that strain natural resources, and use massive amount of harmful
chemicals.
请教各位老师和网友,这个句子里的order in volumes该如何理解?作什么成分?order是动词还是名词?in volumes又该作何解?谢谢!