这一章介绍的是《资本论》第二卷第二篇第十六、十七两章的内容。第十六章分析的是可变资本周转对资本增殖所带来的影响。第十七章研究资本周转速度对剩余价值流通的影响,分析了实现剩余价值的货币来源问题。有关剩余价值流通的一章,也是第二篇资本周转全篇的总结。在这里点出了资本周转的实质,即资本家加速资本周转的唯一动机,就是增加剩余 This chapter introduces the contents of Chapter 16 and Chapter 17 of the second volume of Capital. Chapter 16 examines the impact of variable capital turnover on capital proliferation. Chapter 17 studies the effect of capital turnover on the circulation of surplus value, and analyzes the problem of the source of surplus-value money. The chapter on the circulation of surplus value is also the conclusion of the second chapter of capital turnover. The essence of capital turnover is pointed out here, that is, the only incentive for capitalists to speed up capital turnover is to increase surplus