劳动价值论常与卡尔马克思联系在一起的学说认为每种商品价值的唯一衡量标准都应是生产它所需要的劳动量
The labor theory of value, often associated with the theory of Karl Marx, holds that the sole measure of the value of each commodity should be the amount of labor required to produce it
以上为机器翻译结果，长、整句建议使用 人工翻译 。