We have services in production that are being used, and the project is ongoing.

我们已经有服务生产并正在被使用，而这个项目还在进行中。

Strikes have led to a halt in production.

罢工已经使生产陷于停顿。

The new model will be in production by the end of the year.

新型号将于年底投产。

Last year's profits were swelled by a fall in production costs.

去年因生产成本下降，利润有所增加。

They brought her to the theatre where their new musical was in production.

他们带她到正编排新音乐剧的剧院。