其180名长期工作人员已经在进行着体育赛事的练习性预演，他们在尽力寻找和解决问题。

Its permanent staff of 180 workers are already doing dry runs of sporting events, as they try to identify and fix problems.

youdao

其180名长期工作人员已经在进行着体育赛事的练习性预演，他们在尽力寻找和解决问题。

Its permanent staff of 180 workers are already doing dry runs of sporting events, as they try to identify and fix problems.

youdao