The study did not estimate direct medical costs.

该研究并没有评估直接的医疗成本。

youdao

Recently, the study on the allocation of congestion costs is very active.

最近，阻塞费用分摊方面的研究工作相当活跃。

youdao

Recently, the study on the allocation of congestion costs is very active.

最近，阻塞费用分摊方面的研究工作相当活跃。

youdao