We also pour money and efforts into innovation, quality improvement and personnel training.

我们还在创新、质量完善和人员培训方面投入了大量资金和努力。”

What looks like price appreciation or rising real rents may simply be quality improvement.

看似价格上涨或房租上涨，其实可能只是质量的提高。

PM2.5 had become less concentrated in recent decades thanks to air quality improvement measures.

由于采取了改善空气质量的措施，PM2.5的浓度在近几十年有所下降。

The fourth and final step is implementation of the strategy, which entails reconfiguring workflows, training, support, and ongoing monitoring, including quality assurance and quality improvement.

第四步也是最后一步是战略的实施，这需要重新配置工作流程、培训、支持和持续监控，包括质量保证和质量改进。