productivity of the social labor

例句：

1. 1. The company'sproductivity has increased significantly since the new managertook over.
   自从新经理上任以来，公司的生产力显著提高。
2. 2. The increase in productivityhas helped to reduce costs and improve efficiency.
   生产力的提高有助于降低成本并提高效率。
3. 3. Theresearch team is working on improving the productivityof their machines.
   研究团队正在努力提高机器的生产效率。